################################
# val: number(float)/string(str)/sql(dict)
# col_unit: (agg_id, col_id, isDistinct(bool))
# val_unit: (unit_op, col_unit1, col_unit2)
# table_unit: (table_type, col_unit/sql)
# cond_unit: (not_op, op_id, val_unit, val1, val2)
# condition: [cond_unit1, 'and'/'or', cond_unit2, ...]
# sql {
#   'select': (isDistinct(bool), [(agg_id, val_unit), (agg_id, val_unit), ...])
#   'from': {'table_units': [table_unit1, table_unit2, ...], 'conds': condition}
#   'where': condition
#   'groupBy': [col_unit1, col_unit2, ...]
#   'orderBy': ('asc'/'desc', [val_unit1, val_unit2, ...])
#   'having': condition
#   'limit': None/limit value
#   'intersect': None/sql
#   'except': None/sql
#   'union': None/sql
# }
################################

import os
import json
import sqlite3
import argparse

from .process_sql import get_schema, Schema, get_sql
from .exec_eval import eval_exec_match

# Flag to disable value evaluation
LEVELS = ["easy", "medium", "hard", "extra", "all", "joint_all"]
TURNS = ["turn 1", "turn 2", "turn 3", "turn 4", "turn > 4"]
PARTIAL_TYPES = [
    "select",
    "select(no AGG)",
    "where",
    "where(no OP)",
    "group(no Having)",
    "group",
    "order",
    "and/or",
    "IUEN",
    "keywords",
]
DISABLE_VALUE = True
# Flag to disable distinct in select evaluation
DISABLE_DISTINCT = True


CLAUSE_KEYWORDS = (
    "select",
    "from",
    "where",
    "group",
    "order",
    "limit",
    "intersect",
    "union",
    "except",
)
JOIN_KEYWORDS = ("join", "on", "as")

WHERE_OPS = (
    "not",
    "between",
    "=",
    ">",
    "<",
    ">=",
    "<=",
    "!=",
    "in",
    "like",
    "is",
    "exists",
)
UNIT_OPS = ("none", "-", "+", "*", "/")
AGG_OPS = ("none", "max", "min", "count", "sum", "avg")
TABLE_TYPE = {
    "sql": "sql",
    "table_unit": "table_unit",
}

COND_OPS = ("and", "or")
SQL_OPS = ("intersect", "union", "except")
ORDER_OPS = ("desc", "asc")


HARDNESS = {
    "component1": ("where", "group", "order", "limit", "join", "or", "like"),
    "component2": ("except", "union", "intersect"),
}


def condition_has_or(conds):
    return "or" in conds[1::2]


def condition_has_like(conds):
    return WHERE_OPS.index("like") in [cond_unit[1] for cond_unit in conds[::2]]


def condition_has_sql(conds):
    for cond_unit in conds[::2]:
        val1, val2 = cond_unit[3], cond_unit[4]
        if val1 is not None and type(val1) is dict:
            return True
        if val2 is not None and type(val2) is dict:
            return True
    return False


def val_has_op(val_unit):
    return val_unit[0] != UNIT_OPS.index("none")


def has_agg(unit):
    return unit[0] != AGG_OPS.index("none")


def accuracy(count, total):
    if count == total:
        return 1
    return 0


def recall(count, total):
    if count == total:
        return 1
    return 0


def F1(acc, rec):
    if (acc + rec) == 0:
        return 0
    return (2.0 * acc * rec) / (acc + rec)


def get_scores(count, pred_total, label_total):
    if pred_total != label_total:
        return 0, 0, 0
    elif count == pred_total:
        return 1, 1, 1
    return 0, 0, 0


def eval_sel(pred, label):
    pred_sel = pred["select"][1]
    label_sel = label["select"][1]
    label_wo_agg = [unit[1] for unit in label_sel]
    pred_total = len(pred_sel)
    label_total = len(label_sel)
    cnt = 0
    cnt_wo_agg = 0

    for unit in pred_sel:
        if unit in label_sel:
            cnt += 1
            label_sel.remove(unit)
        if unit[1] in label_wo_agg:
            cnt_wo_agg += 1
            label_wo_agg.remove(unit[1])

    return label_total, pred_total, cnt, cnt_wo_agg


def eval_where(pred, label):
    pred_conds = [unit for unit in pred["where"][::2]]
    label_conds = [unit for unit in label["where"][::2]]
    label_wo_agg = [unit[2] for unit in label_conds]
    pred_total = len(pred_conds)
    label_total = len(label_conds)
    cnt = 0
    cnt_wo_agg = 0

    for unit in pred_conds:
        if unit in label_conds:
            cnt += 1
            label_conds.remove(unit)
        if unit[2] in label_wo_agg:
            cnt_wo_agg += 1
            label_wo_agg.remove(unit[2])

    return label_total, pred_total, cnt, cnt_wo_agg


def eval_group(pred, label):
    pred_cols = [unit[1] for unit in pred["groupBy"]]
    label_cols = [unit[1] for unit in label["groupBy"]]
    pred_total = len(pred_cols)
    label_total = len(label_cols)
    cnt = 0
    pred_cols = [pred.split(".")[1] if "." in pred else pred for pred in pred_cols]
    label_cols = [
        label.split(".")[1] if "." in label else label for label in label_cols
    ]
    for col in pred_cols:
        if col in label_cols:
            cnt += 1
            label_cols.remove(col)
    return label_total, pred_total, cnt


def eval_having(pred, label):
    pred_total = label_total = cnt = 0
    if len(pred["groupBy"]) > 0:
        pred_total = 1
    if len(label["groupBy"]) > 0:
        label_total = 1

    pred_cols = [unit[1] for unit in pred["groupBy"]]
    label_cols = [unit[1] for unit in label["groupBy"]]
    if (
        pred_total == label_total == 1
        and pred_cols == label_cols
        and pred["having"] == label["having"]
    ):
        cnt = 1

    return label_total, pred_total, cnt


def eval_order(pred, label):
    pred_total = label_total = cnt = 0
    if len(pred["orderBy"]) > 0:
        pred_total = 1
    if len(label["orderBy"]) > 0:
        label_total = 1
    if (
        len(label["orderBy"]) > 0
        and pred["orderBy"] == label["orderBy"]
        and (
            (pred["limit"] is None and label["limit"] is None)
            or (pred["limit"] is not None and label["limit"] is not None)
        )
    ):
        cnt = 1
    return label_total, pred_total, cnt


def eval_and_or(pred, label):
    pred_ao = pred["where"][1::2]
    label_ao = label["where"][1::2]
    pred_ao = set(pred_ao)
    label_ao = set(label_ao)

    if pred_ao == label_ao:
        return 1, 1, 1
    return len(pred_ao), len(label_ao), 0


def get_nestedSQL(sql):
    nested = []
    for cond_unit in sql["from"]["conds"][::2] + sql["where"][::2] + sql["having"][::2]:
        if type(cond_unit[3]) is dict:
            nested.append(cond_unit[3])
        if type(cond_unit[4]) is dict:
            nested.append(cond_unit[4])
    if sql["intersect"] is not None:
        nested.append(sql["intersect"])
    if sql["except"] is not None:
        nested.append(sql["except"])
    if sql["union"] is not None:
        nested.append(sql["union"])
    return nested


def eval_nested(pred, label):
    label_total = 0
    pred_total = 0
    cnt = 0
    if pred is not None:
        pred_total += 1
    if label is not None:
        label_total += 1
    if pred is not None and label is not None:
        partial_scores = Evaluator.eval_partial_match(pred, label)
        cnt += Evaluator.eval_exact_match(pred, label, partial_scores)
    return label_total, pred_total, cnt


def eval_IUEN(pred, label):
    lt1, pt1, cnt1 = eval_nested(pred["intersect"], label["intersect"])
    lt2, pt2, cnt2 = eval_nested(pred["except"], label["except"])
    lt3, pt3, cnt3 = eval_nested(pred["union"], label["union"])
    label_total = lt1 + lt2 + lt3
    pred_total = pt1 + pt2 + pt3
    cnt = cnt1 + cnt2 + cnt3
    return label_total, pred_total, cnt


def get_keywords(sql):
    res = set()
    if len(sql["where"]) > 0:
        res.add("where")
    if len(sql["groupBy"]) > 0:
        res.add("group")
    if len(sql["having"]) > 0:
        res.add("having")
    if len(sql["orderBy"]) > 0:
        res.add(sql["orderBy"][0])
        res.add("order")
    if sql["limit"] is not None:
        res.add("limit")
    if sql["except"] is not None:
        res.add("except")
    if sql["union"] is not None:
        res.add("union")
    if sql["intersect"] is not None:
        res.add("intersect")

    # or keyword
    ao = sql["from"]["conds"][1::2] + sql["where"][1::2] + sql["having"][1::2]
    if len([token for token in ao if token == "or"]) > 0:
        res.add("or")

    cond_units = sql["from"]["conds"][::2] + sql["where"][::2] + sql["having"][::2]
    # not keyword
    if len([cond_unit for cond_unit in cond_units if cond_unit[0]]) > 0:
        res.add("not")

    # in keyword
    if (
        len(
            [
                cond_unit
                for cond_unit in cond_units
                if cond_unit[1] == WHERE_OPS.index("in")
            ]
        )
        > 0
    ):
        res.add("in")

    # like keyword
    if (
        len(
            [
                cond_unit
                for cond_unit in cond_units
                if cond_unit[1] == WHERE_OPS.index("like")
            ]
        )
        > 0
    ):
        res.add("like")

    return res


def eval_keywords(pred, label):
    pred_keywords = get_keywords(pred)
    label_keywords = get_keywords(label)
    pred_total = len(pred_keywords)
    label_total = len(label_keywords)
    cnt = 0

    for k in pred_keywords:
        if k in label_keywords:
            cnt += 1
    return label_total, pred_total, cnt


def count_agg(units):
    return len([unit for unit in units if has_agg(unit)])


def count_component1(sql):
    count = 0
    if len(sql["where"]) > 0:
        count += 1
    if len(sql["groupBy"]) > 0:
        count += 1
    if len(sql["orderBy"]) > 0:
        count += 1
    if sql["limit"] is not None:
        count += 1
    if len(sql["from"]["table_units"]) > 0:  # JOIN
        count += len(sql["from"]["table_units"]) - 1

    ao = sql["from"]["conds"][1::2] + sql["where"][1::2] + sql["having"][1::2]
    count += len([token for token in ao if token == "or"])
    cond_units = sql["from"]["conds"][::2] + sql["where"][::2] + sql["having"][::2]
    count += len(
        [
            cond_unit
            for cond_unit in cond_units
            if cond_unit[1] == WHERE_OPS.index("like")
        ]
    )

    return count


def count_component2(sql):
    nested = get_nestedSQL(sql)
    return len(nested)


def count_others(sql):
    count = 0
    # number of aggregation
    agg_count = count_agg(sql["select"][1])
    agg_count += count_agg(sql["where"][::2])
    agg_count += count_agg(sql["groupBy"])
    if len(sql["orderBy"]) > 0:
        agg_count += count_agg(
            [unit[1] for unit in sql["orderBy"][1] if unit[1]]
            + [unit[2] for unit in sql["orderBy"][1] if unit[2]]
        )
    agg_count += count_agg(sql["having"])
    if agg_count > 1:
        count += 1

    # number of select columns
    if len(sql["select"][1]) > 1:
        count += 1

    # number of where conditions
    if len(sql["where"]) > 1:
        count += 1

    # number of group by clauses
    if len(sql["groupBy"]) > 1:
        count += 1

    return count


class Evaluator:
    """A simple evaluator"""

    def __init__(
        self,
        db_dir,
        kmaps,
        etype,
        plug_value,
        keep_distinct,
        progress_bar_for_each_datapoint
    ):
        self.db_dir = db_dir
        self.kmaps = kmaps
        self.etype = etype
        self.plug_value = plug_value
        self.keep_distinct = keep_distinct
        self.progress_bar_for_each_datapoint = progress_bar_for_each_datapoint

        self.db_paths = {}
        self.schemas = {}

        self.scores = {}

        for turn in TURNS:
            self.scores[turn] = {"count": 0, "exact": 0.0}
            self.scores[turn]["exec"] = 0

        for level in LEVELS:
            self.scores[level] = {"count": 0, "partial": {}, "exact": 0.0}
            self.scores[level]["exec"] = 0
            for type_ in PARTIAL_TYPES:
                self.scores[level]["partial"][type_] = {
                    "acc": 0.0,
                    "rec": 0.0,
                    "f1": 0.0,
                    "acc_count": 0,
                    "rec_count": 0,
                }

    def eval_hardness(self, sql):
        count_comp1_ = count_component1(sql)
        count_comp2_ = count_component2(sql)
        count_others_ = count_others(sql)

        if count_comp1_ <= 1 and count_others_ == 0 and count_comp2_ == 0:
            return "easy"
        elif (count_others_ <= 2 and count_comp1_ <= 1 and count_comp2_ == 0) or (
            count_comp1_ <= 2 and count_others_ < 2 and count_comp2_ == 0
        ):
            return "medium"
        elif (
            (count_others_ > 2 and count_comp1_ <= 2 and count_comp2_ == 0)
            or (2 < count_comp1_ <= 3 and count_others_ <= 2 and count_comp2_ == 0)
            or (count_comp1_ <= 1 and count_others_ == 0 and count_comp2_ <= 1)
        ):
            return "hard"
        else:
            return "extra"

    @classmethod
    def eval_exact_match(cls, pred, label, partial_scores):
        for key, score in partial_scores.items():
            if score["f1"] != 1:
                return 0

        if len(label["from"]["table_units"]) > 0:
            label_tables = sorted(label["from"]["table_units"])
            pred_tables = sorted(pred["from"]["table_units"])
            return label_tables == pred_tables
        return 1

    @classmethod
    def eval_partial_match(cls, pred, label):
        res = {}

        label_total, pred_total, cnt, cnt_wo_agg = eval_sel(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["select"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }
        acc, rec, f1 = get_scores(cnt_wo_agg, pred_total, label_total)
        res["select(no AGG)"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt, cnt_wo_agg = eval_where(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["where"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }
        acc, rec, f1 = get_scores(cnt_wo_agg, pred_total, label_total)
        res["where(no OP)"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt = eval_group(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["group(no Having)"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt = eval_having(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["group"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt = eval_order(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["order"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt = eval_and_or(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["and/or"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt = eval_IUEN(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["IUEN"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        label_total, pred_total, cnt = eval_keywords(pred, label)
        acc, rec, f1 = get_scores(cnt, pred_total, label_total)
        res["keywords"] = {
            "acc": acc,
            "rec": rec,
            "f1": f1,
            "label_total": label_total,
            "pred_total": pred_total,
        }

        return res

    def evaluate_one(self, db_name, gold, predicted, turn_scores, idx):
        if db_name not in self.db_paths:
            db_path = os.path.join(self.db_dir, db_name, db_name + ".sqlite")
            self.db_paths[db_name] = db_path
            self.schemas[db_name] = Schema(get_schema(db_path))

        if idx > 3:
            idx = "> 4"
        else:
            idx += 1
        turn_id = "turn " + str(idx)

        self.scores[turn_id]["count"] += 1
        self.scores["all"]["count"] += 1

        if self.etype in ['all', 'match']:
            schema = self.schemas[db_name]
            g_sql = get_sql(schema, gold)
            hardness = self.eval_hardness(g_sql)
            self.scores[hardness]["count"] += 1

            try:
                p_sql = get_sql(schema, predicted)
            except:
                # If p_sql is not valid, then we will use an empty sql to evaluate with the correct sql
                p_sql = {
                    "except": None,
                    "from": {"conds": [], "table_units": []},
                    "groupBy": [],
                    "having": [],
                    "intersect": None,
                    "limit": None,
                    "orderBy": [],
                    "select": [False, []],
                    "union": None,
                    "where": [],
                }

        if self.etype in ["all", "exec"]:
            exec_score = eval_exec_match(
                db=self.db_paths[db_name],
                p_str=predicted,
                g_str=gold,
                plug_value=self.plug_value,
                keep_distinct=self.keep_distinct,
                progress_bar_for_each_datapoint=self.progress_bar_for_each_datapoint,
            )
            if exec_score:
                if self.etype == 'all':
                    self.scores[hardness]["exec"] += 1
                self.scores[turn_id]["exec"] += 1
                self.scores["all"]["exec"] += 1
                turn_scores["exec"].append(1)
            else:
                turn_scores["exec"].append(0)

        if self.etype in ["all", "match"]:
            # rebuild sql for value evaluation
            kmap = self.kmaps[db_name]
            g_valid_col_units = build_valid_col_units(
                g_sql["from"]["table_units"], schema
            )
            g_sql = rebuild_sql_val(g_sql)
            g_sql = rebuild_sql_col(g_valid_col_units, g_sql, kmap)
            p_valid_col_units = build_valid_col_units(
                p_sql["from"]["table_units"], schema
            )
            p_sql = rebuild_sql_val(p_sql)
            p_sql = rebuild_sql_col(p_valid_col_units, p_sql, kmap)
            partial_scores = self.eval_partial_match(p_sql, g_sql)
            exact_score = self.eval_exact_match(p_sql, g_sql, partial_scores)
            if exact_score == 0:
                turn_scores["exact"].append(0)
                print("{} pred: {}".format(hardness, predicted))
                print("{} gold: {}".format(hardness, gold))
                print("")
            else:
                turn_scores["exact"].append(1)
            self.scores[turn_id]["exact"] += exact_score
            self.scores[hardness]["exact"] += exact_score
            self.scores["all"]["exact"] += exact_score
            for type_ in PARTIAL_TYPES:
                if partial_scores[type_]["pred_total"] > 0:
                    self.scores[hardness]["partial"][type_]["acc"] += partial_scores[
                        type_
                    ]["acc"]
                    self.scores[hardness]["partial"][type_]["acc_count"] += 1
                if partial_scores[type_]["label_total"] > 0:
                    self.scores[hardness]["partial"][type_]["rec"] += partial_scores[
                        type_
                    ]["rec"]
                    self.scores[hardness]["partial"][type_]["rec_count"] += 1
                self.scores[hardness]["partial"][type_]["f1"] += partial_scores[type_][
                    "f1"
                ]
                if partial_scores[type_]["pred_total"] > 0:
                    self.scores["all"]["partial"][type_]["acc"] += partial_scores[type_][
                        "acc"
                    ]
                    self.scores["all"]["partial"][type_]["acc_count"] += 1
                if partial_scores[type_]["label_total"] > 0:
                    self.scores["all"]["partial"][type_]["rec"] += partial_scores[type_][
                        "rec"
                    ]
                    self.scores["all"]["partial"][type_]["rec_count"] += 1
                self.scores["all"]["partial"][type_]["f1"] += partial_scores[type_]["f1"]

        result = {
            "predictSQL": predicted,
            "goldSQL": gold,
        }
        if self.etype in ['all', 'match']:
            result.update({
                "hardness": hardness,
                "exact": exact_score,
                "partial": partial_scores,
            })
        if self.etype in ['all', 'exec']:
            result['exec'] = exec_score
        return result

    def finalize(self):
        scores = self.scores
        for turn in TURNS:
            if scores[turn]["count"] == 0:
                continue
            if self.etype in ["all", "exec"]:
                scores[turn]["exec"] /= scores[turn]["count"]

            if self.etype in ["all", "match"]:
                scores[turn]["exact"] /= scores[turn]["count"]

        for level in LEVELS:
            if scores[level]["count"] == 0:
                continue
            if self.etype in ["all", "exec"]:
                scores[level]["exec"] /= scores[level]["count"]

            if self.etype in ["all", "match"]:
                scores[level]["exact"] /= scores[level]["count"]
                for type_ in PARTIAL_TYPES:
                    if scores[level]["partial"][type_]["acc_count"] == 0:
                        scores[level]["partial"][type_]["acc"] = 0
                    else:
                        scores[level]["partial"][type_]["acc"] = (
                                scores[level]["partial"][type_]["acc"]
                                / scores[level]["partial"][type_]["acc_count"]
                                * 1.0
                        )
                    if scores[level]["partial"][type_]["rec_count"] == 0:
                        scores[level]["partial"][type_]["rec"] = 0
                    else:
                        scores[level]["partial"][type_]["rec"] = (
                                scores[level]["partial"][type_]["rec"]
                                / scores[level]["partial"][type_]["rec_count"]
                                * 1.0
                        )
                    if (
                            scores[level]["partial"][type_]["acc"] == 0
                            and scores[level]["partial"][type_]["rec"] == 0
                    ):
                        scores[level]["partial"][type_]["f1"] = 1
                    else:
                        scores[level]["partial"][type_]["f1"] = (
                                2.0
                                * scores[level]["partial"][type_]["acc"]
                                * scores[level]["partial"][type_]["rec"]
                                / (
                                        scores[level]["partial"][type_]["rec"]
                                        + scores[level]["partial"][type_]["acc"]
                                )
                        )


def isValidSQL(sql, db):
    conn = sqlite3.connect(db)
    cursor = conn.cursor()
    try:
        cursor.execute(sql)
    except:
        return False
    return True


def print_formated_s(row_name, l, element_format):
    template = "{:20} " + " ".join([element_format] * len(l))
    print(template.format(row_name, *l))


def print_scores(scores, etype, include_turn_acc=True):
    turns = TURNS
    levels = ["easy", "medium", "hard", "extra", "all"]
    if include_turn_acc:
        levels.append("joint_all")
    partial_types = PARTIAL_TYPES

    print_formated_s("", levels, "{:20}")
    counts = [scores[level]["count"] for level in levels]
    print_formated_s("count", counts, "{:<20d}")

    if etype in ["all", "exec"]:
        print("=====================   EXECUTION ACCURACY     =====================")
        exec_scores = [scores[level]["exec"] for level in levels]
        print_formated_s("execution", exec_scores, "{:<20.3f}")

    if etype in ["all", "match"]:
        print("\n====================== EXACT MATCHING ACCURACY =====================")
        exact_scores = [scores[level]["exact"] for level in levels]
        print_formated_s("exact match", exact_scores, "{:<20.3f}")
        print("\n---------------------PARTIAL MATCHING ACCURACY----------------------")
        for type_ in partial_types:
            this_scores = [scores[level]["partial"][type_]["acc"] for level in levels]
            print_formated_s(type_, this_scores, "{:<20.3f}")

        print("---------------------- PARTIAL MATCHING RECALL ----------------------")
        for type_ in partial_types:
            this_scores = [scores[level]["partial"][type_]["rec"] for level in levels]
            print_formated_s(type_, this_scores, "{:<20.3f}")

        print("---------------------- PARTIAL MATCHING F1 --------------------------")
        for type_ in partial_types:
            this_scores = [scores[level]["partial"][type_]["f1"] for level in levels]
            print_formated_s(type_, this_scores, "{:<20.3f}")

    if include_turn_acc:
        print()
        print()
        print_formated_s("", turns, "{:20}")
        counts = [scores[turn]["count"] for turn in turns]
        print_formated_s("count", counts, "{:<20d}")

        if etype in ["all", "exec"]:
            print(
                "=====================   TURN EXECUTION ACCURACY     ====================="
            )
            exec_scores = [scores[turn]["exec"] for turn in turns]
            print_formated_s("execution", exec_scores, "{:<20.3f}")

        if etype in ["all", "match"]:
            print(
                "\n====================== TURN EXACT MATCHING ACCURACY ====================="
            )
            exact_scores = [scores[turn]["exact"] for turn in turns]
            print_formated_s("exact match", exact_scores, "{:<20.3f}")


def evaluate(
    gold,
    predict,
    db_dir,
    etype,
    kmaps,
    plug_value,
    keep_distinct,
    progress_bar_for_each_datapoint,
):

    with open(gold) as f:
        glist = []
        gseq_one = []
        for l in f.readlines():
            if len(l.strip()) == 0:
                glist.append(gseq_one)
                gseq_one = []
            else:
                lstrip = l.strip().split("\t")
                gseq_one.append(lstrip)

        # include the last session
        # this was previously ignored in the SParC evaluation script
        # which might lead to slight differences in scores
        if len(gseq_one) != 0:
            glist.append(gseq_one)

    # spider formatting indicates that there is only one "single turn"
    # do not report "turn accuracy" for SPIDER
    include_turn_acc = len(glist) > 1

    with open(predict) as f:
        plist = []
        pseq_one = []
        for l in f.readlines():
            if len(l.strip()) == 0:
                plist.append(pseq_one)
                pseq_one = []
            else:
                pseq_one.append(l.strip().split("\t"))

        if len(pseq_one) != 0:
            plist.append(pseq_one)

    assert len(plist) == len(glist), "number of sessions must equal"

    evaluator = Evaluator(db_dir, kmaps, etype, plug_value, keep_distinct, progress_bar_for_each_datapoint)
    results = []

    for i, (p, g) in enumerate(zip(plist, glist)):
        if (i + 1) % 10 == 0:
            print("Evaluating %dth prediction" % (i + 1))
        evaluator.scores["joint_all"]["count"] += 1
        turn_scores = {"exec": [], "exact": []}
        for idx, pg in enumerate(zip(p, g)):
            p, g = pg
            p_str = p[0]
            p_str = p_str.replace("value", "1")
            g_str, db_name = g

            results.append(evaluator.evaluate_one(db_name, g_str, p_str, turn_scores, idx))

        if all(v == 1 for v in turn_scores["exec"]):
            evaluator.scores["joint_all"]["exec"] += 1

        if all(v == 1 for v in turn_scores["exact"]):
            evaluator.scores["joint_all"]["exact"] += 1

    evaluator.finalize()
    print_scores(evaluator.scores, etype, include_turn_acc=include_turn_acc)
    return {
        "per_item": results,
        "total_scores": evaluator.scores
    }


# Rebuild SQL functions for value evaluation
def rebuild_cond_unit_val(cond_unit):
    if cond_unit is None or not DISABLE_VALUE:
        return cond_unit

    not_op, op_id, val_unit, val1, val2 = cond_unit
    if type(val1) is not dict:
        val1 = None
    else:
        val1 = rebuild_sql_val(val1)
    if type(val2) is not dict:
        val2 = None
    else:
        val2 = rebuild_sql_val(val2)
    return not_op, op_id, val_unit, val1, val2


def rebuild_condition_val(condition):
    if condition is None or not DISABLE_VALUE:
        return condition

    res = []
    for idx, it in enumerate(condition):
        if idx % 2 == 0:
            res.append(rebuild_cond_unit_val(it))
        else:
            res.append(it)
    return res


def rebuild_sql_val(sql):
    if sql is None or not DISABLE_VALUE:
        return sql

    sql["from"]["conds"] = rebuild_condition_val(sql["from"]["conds"])
    sql["having"] = rebuild_condition_val(sql["having"])
    sql["where"] = rebuild_condition_val(sql["where"])
    sql["intersect"] = rebuild_sql_val(sql["intersect"])
    sql["except"] = rebuild_sql_val(sql["except"])
    sql["union"] = rebuild_sql_val(sql["union"])

    return sql


# Rebuild SQL functions for foreign key evaluation
def build_valid_col_units(table_units, schema):
    col_ids = [
        table_unit[1]
        for table_unit in table_units
        if table_unit[0] == TABLE_TYPE["table_unit"]
    ]
    prefixs = [col_id[:-2] for col_id in col_ids]
    valid_col_units = []
    for value in schema.idMap.values():
        if "." in value and value[: value.index(".")] in prefixs:
            valid_col_units.append(value)
    return valid_col_units


def rebuild_col_unit_col(valid_col_units, col_unit, kmap):
    if col_unit is None:
        return col_unit

    agg_id, col_id, distinct = col_unit
    if col_id in kmap and col_id in valid_col_units:
        col_id = kmap[col_id]
    if DISABLE_DISTINCT:
        distinct = None
    return agg_id, col_id, distinct


def rebuild_val_unit_col(valid_col_units, val_unit, kmap):
    if val_unit is None:
        return val_unit

    unit_op, col_unit1, col_unit2 = val_unit
    col_unit1 = rebuild_col_unit_col(valid_col_units, col_unit1, kmap)
    col_unit2 = rebuild_col_unit_col(valid_col_units, col_unit2, kmap)
    return unit_op, col_unit1, col_unit2


def rebuild_table_unit_col(valid_col_units, table_unit, kmap):
    if table_unit is None:
        return table_unit

    table_type, col_unit_or_sql = table_unit
    if isinstance(col_unit_or_sql, tuple):
        col_unit_or_sql = rebuild_col_unit_col(valid_col_units, col_unit_or_sql, kmap)
    return table_type, col_unit_or_sql


def rebuild_cond_unit_col(valid_col_units, cond_unit, kmap):
    if cond_unit is None:
        return cond_unit

    not_op, op_id, val_unit, val1, val2 = cond_unit
    val_unit = rebuild_val_unit_col(valid_col_units, val_unit, kmap)
    return not_op, op_id, val_unit, val1, val2


def rebuild_condition_col(valid_col_units, condition, kmap):
    for idx in range(len(condition)):
        if idx % 2 == 0:
            condition[idx] = rebuild_cond_unit_col(
                valid_col_units, condition[idx], kmap
            )
    return condition


def rebuild_select_col(valid_col_units, sel, kmap):
    if sel is None:
        return sel
    distinct, _list = sel
    new_list = []
    for it in _list:
        agg_id, val_unit = it
        new_list.append((agg_id, rebuild_val_unit_col(valid_col_units, val_unit, kmap)))
    if DISABLE_DISTINCT:
        distinct = None
    return distinct, new_list


def rebuild_from_col(valid_col_units, from_, kmap):
    if from_ is None:
        return from_

    from_["table_units"] = [
        rebuild_table_unit_col(valid_col_units, table_unit, kmap)
        for table_unit in from_["table_units"]
    ]
    from_["conds"] = rebuild_condition_col(valid_col_units, from_["conds"], kmap)
    return from_


def rebuild_group_by_col(valid_col_units, group_by, kmap):
    if group_by is None:
        return group_by

    return [
        rebuild_col_unit_col(valid_col_units, col_unit, kmap) for col_unit in group_by
    ]


def rebuild_order_by_col(valid_col_units, order_by, kmap):
    if order_by is None or len(order_by) == 0:
        return order_by

    direction, val_units = order_by
    new_val_units = [
        rebuild_val_unit_col(valid_col_units, val_unit, kmap) for val_unit in val_units
    ]
    return direction, new_val_units


def rebuild_sql_col(valid_col_units, sql, kmap):
    if sql is None:
        return sql

    sql["select"] = rebuild_select_col(valid_col_units, sql["select"], kmap)
    sql["from"] = rebuild_from_col(valid_col_units, sql["from"], kmap)
    sql["where"] = rebuild_condition_col(valid_col_units, sql["where"], kmap)
    sql["groupBy"] = rebuild_group_by_col(valid_col_units, sql["groupBy"], kmap)
    sql["orderBy"] = rebuild_order_by_col(valid_col_units, sql["orderBy"], kmap)
    sql["having"] = rebuild_condition_col(valid_col_units, sql["having"], kmap)
    sql["intersect"] = rebuild_sql_col(valid_col_units, sql["intersect"], kmap)
    sql["except"] = rebuild_sql_col(valid_col_units, sql["except"], kmap)
    sql["union"] = rebuild_sql_col(valid_col_units, sql["union"], kmap)

    return sql


def build_foreign_key_map(entry):
    cols_orig = entry["column_names_original"]
    tables_orig = entry["table_names_original"]

    # rebuild cols corresponding to idmap in Schema
    cols = []
    for col_orig in cols_orig:
        if col_orig[0] >= 0:
            t = tables_orig[col_orig[0]]
            c = col_orig[1]
            cols.append("__" + t.lower() + "." + c.lower() + "__")
        else:
            cols.append("__all__")

    def keyset_in_list(k1, k2, k_list):
        for k_set in k_list:
            if k1 in k_set or k2 in k_set:
                return k_set
        new_k_set = set()
        k_list.append(new_k_set)
        return new_k_set

    foreign_key_list = []
    foreign_keys = entry["foreign_keys"]
    for fkey in foreign_keys:
        key1, key2 = fkey
        key_set = keyset_in_list(key1, key2, foreign_key_list)
        key_set.add(key1)
        key_set.add(key2)

    foreign_key_map = {}
    for key_set in foreign_key_list:
        sorted_list = sorted(list(key_set))
        midx = sorted_list[0]
        for idx in sorted_list:
            foreign_key_map[cols[idx]] = cols[midx]

    return foreign_key_map


def build_foreign_key_map_from_json(table):
    with open(table) as f:
        data = json.load(f)
    tables = {}
    for entry in data:
        tables[entry["db_id"]] = build_foreign_key_map(entry)
    return tables


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--gold", dest="gold", type=str, help="the path to the gold queries"
    )
    parser.add_argument(
        "--pred", dest="pred", type=str, help="the path to the predicted queries"
    )
    parser.add_argument(
        "--db",
        dest="db",
        type=str,
        help="the directory that contains all the databases and test suites",
    )
    parser.add_argument(
        "--table", dest="table", type=str, help="the tables.json schema file"
    )
    parser.add_argument(
        "--etype",
        dest="etype",
        type=str,
        default="exec",
        help="evaluation type, exec for test suite accuracy, match for the original exact set match accuracy",
        choices=("all", "exec", "match"),
    )
    parser.add_argument(
        "--plug_value",
        default=False,
        action="store_true",
        help="whether to plug in the gold value into the predicted query; suitable if your model does not predict values.",
    )
    parser.add_argument(
        "--keep_distinct",
        default=False,
        action="store_true",
        help="whether to keep distinct keyword during evaluation. default is false.",
    )
    parser.add_argument(
        "--progress_bar_for_each_datapoint",
        default=False,
        action="store_true",
        help="whether to print progress bar of running test inputs for each datapoint",
    )
    args = parser.parse_args()

    # only evaluting exact match needs this argument
    kmaps = None
    if args.etype in ["all", "match"]:
        assert (
            args.table is not None
        ), "table argument must be non-None if exact set match is evaluated"
        kmaps = build_foreign_key_map_from_json(args.table)

    evaluate(
        args.gold,
        args.pred,
        args.db,
        args.etype,
        kmaps,
        args.plug_value,
        args.keep_distinct,
        args.progress_bar_for_each_datapoint,
    )
