# BoundaryCondition.py -- Pamhyr
# Copyright (C) 2023-2024  INRAE
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# -*- coding: utf-8 -*-

import logging

from tools import (
    trace, timer,
    old_pamhyr_date_to_timestamp,
    date_iso_to_timestamp,
    date_dmy_to_timestamp,
)

from Model.Tools.PamhyrDB import SQLSubModel
from Model.Except import NotImplementedMethodeError
from Model.Scenario import Scenario

logger = logging.getLogger()


class Data(SQLSubModel):
    _sub_classes = []

    def __init__(self, data0, data1,
                 id: int = -1,
                 types=[float, float],
                 status=None):
        super(Data, self).__init__(id)
        self._status = status

        self._types = types
        self._data = [data0, data1]

    @classmethod
    def _db_create(cls, execute, ext=""):
        execute(f"""
          CREATE TABLE boundary_condition_data{ext}(
            {cls.create_db_add_pamhyr_id()},
            ind INTEGER NOT NULL,
            data0 TEXT NOT NULL,
            data1 TEXT NOT NULL,
            bc INTEGER,
            {Scenario.create_db_add_scenario()},
            {Scenario.create_db_add_scenario_fk()},
            FOREIGN KEY(bc) REFERENCES boundary_condition(pamhyr_id),
            PRIMARY KEY(pamhyr_id, scenario)
          )
        """)

        return cls._create_submodel(execute)

    @classmethod
    def _db_update(cls, execute, version, data=None):
        major, minor, release = version.strip().split(".")

        if major == "0" and int(minor) < 1:
            cls._db_update_to_0_1_0(execute, data)

        return cls._update_submodel(execute, version, data)

    @classmethod
    def _db_update_to_0_1_0(cls, execute, data):
        table = "boundary_condition_data"
        bcs = data['id2pid']['boundary_condition']

        cls.update_db_add_pamhyr_id(
            execute, table,
            data=data
        )
        Scenario.update_db_add_scenario(execute, table)

        cls._db_create(execute, ext="_tmp")
        execute(
            f"INSERT INTO {table}_tmp " +
            "(pamhyr_id, ind, data0, data1, bc, scenario) " +
            "SELECT pamhyr_id, ind, data0, data1, bc, scenario " +
            f"FROM {table}"
        )

        execute(f"DROP TABLE {table}")
        execute(f"ALTER TABLE {table}_tmp RENAME TO {table}")

        cls._db_update_to_0_1_0_set_bc_pid(execute, table, bcs)

    @classmethod
    def _db_update_to_0_1_0_set_bc_pid(cls, execute, table, bcs):
        els = execute(
            f"SELECT pamhyr_id, bc FROM {table}"
        )

        for row in els:
            it = iter(row)
            pid = next(it)
            bc_id = next(it)

            execute(
                f"UPDATE {table} " +
                f"SET bc = {bcs[bc_id]} " +
                f"WHERE pamhyr_id = {pid}"
            )

    @classmethod
    def _db_load(cls, execute, data=None):
        new = []
        bc = data["bc"]

        values = execute(
            "SELECT pamhyr_id, ind, data0, data1 " +
            "FROM boundary_condition_data " +
            f"WHERE bc = {bc._pamhyr_id} " +
            "ORDER BY ind ASC"
        )

        for v in values:
            it = iter(v)

            pid = next(it)
            ind = next(it)
            data0 = bc._types[0](next(it))
            data1 = bc._types[1](next(it))

            nd = cls(
                data0, data1,
                id=pid,
                types=bc._types,
                status=data['status']
            )

            new.append(nd)

        return new

    def _db_save(self, execute, data=None):
        pid = self._pamhyr_id
        ind = data["ind"]
        data0 = self._db_format(str(self[0]))
        data1 = self._db_format(str(self[1]))
        bc = data["bc"]

        execute = (
            "INSERT INTO " +
            "boundary_condition_data(pamhyr_id, ind, data0, data1, bc) " +
            f"VALUES ({pid}, {ind}, '{data0}', {data1}, {bc._pamhyr_id})"
        )

    def __getitem__(self, key):
        return self._types[key](self._data[key])

    def __setitem__(self, key, value):
        self._data[key] = self._types[key](value)


class BoundaryCondition(SQLSubModel):
    _sub_classes = [Data]

    def __init__(self, id: int = -1,
                 name: str = "", status=None):
        super(BoundaryCondition, self).__init__(id)

        self._status = status

        self._name = name
        self._type = ""
        self._node = None
        self._data = []
        self._header = []
        self._types = [float, float]

    @classmethod
    def _db_create(cls, execute, ext=""):
        execute(f"""
          CREATE TABLE boundary_condition{ext}(
            {cls.create_db_add_pamhyr_id()},
            name TEXT NOT NULL,
            type TEXT NOT NULL,
            tab TEXT NOT NULL,
            node INTEGER,
            {Scenario.create_db_add_scenario()},
            {Scenario.create_db_add_scenario_fk()},
            FOREIGN KEY(node) REFERENCES river_node(pamhyr_id),
            PRIMARY KEY(pamhyr_id, scenario)
          )
        """)

        if ext == "_tmp":
            return True

        return cls._create_submodel(execute)

    @classmethod
    def _db_update(cls, execute, version, data=None):
        major, minor, release = version.strip().split(".")

        if major == minor == "0":
            cls._db_update_to_0_1_0(execute, data)

        return cls._update_submodel(execute, version, data)

    @classmethod
    def _db_update_to_0_1_0(cls, execute, data):
        table = "boundary_condition"
        nodes = data['id2pid']['river_node']

        cls.update_db_add_pamhyr_id(execute, table, data)
        Scenario.update_db_add_scenario(execute, table)

        cls._db_create(execute, ext="_tmp")

        # Copy table
        execute(
            f"INSERT INTO {table}_tmp " +
            f"(pamhyr_id, name, type, tab, node, scenario) " +
            "SELECT pamhyr_id, name, type, tab, node, scenario " +
            f"FROM {table}"
        )

        execute(f"DROP TABLE {table}")
        execute(f"ALTER TABLE {table}_tmp RENAME TO {table}")

        cls._db_update_to_0_1_0_set_node_pid(execute, table, nodes)

    @classmethod
    def _get_ctor_from_type(cls, t):
        from Model.BoundaryCondition.BoundaryConditionTypes import (
            NotDefined, PonctualContribution,
            TimeOverZ, TimeOverDischarge, ZOverDischarge,
            Solid,
        )

        res = NotDefined
        if t == "PC":
            res = PonctualContribution
        elif t == "TZ":
            res = TimeOverZ
        elif t == "TD":
            res = TimeOverDischarge
        elif t == "ZD":
            res = ZOverDischarge
        elif t == "SL":
            res = Solid
        return res

    @classmethod
    def _db_load(cls, execute, data=None):
        new = []
        tab = data["tab"]

        table = execute(
            "SELECT pamhyr_id, name, type, node " +
            "FROM boundary_condition " +
            f"WHERE tab = '{tab}'"
        )

        for row in table:
            t = row[2]
            ctor = cls._get_ctor_from_type(t)
            bc = ctor(
                id=row[0],
                name=row[1],
                status=data['status']
            )

            bc.node = None
            if row[3] != -1:
                bc.node = next(filter(lambda n: n.id == row[3], data["nodes"]))

            data["bc"] = bc
            bc._data = Data._db_load(execute, data=data)

            new.append(bc)

        return new

    def _db_save(self, execute, data=None):
        tab = data["tab"]

        execute(
            "DELETE FROM boundary_condition " +
            f"WHERE pamhyr_id = {self._pamhyr_id}"
        )
        execute(
            "DELETE FROM boundary_condition_data " +
            f"WHERE bc = {self._pamhyr_id}"
        )

        node = -1
        if self._node is not None:
            node = self._node.id

        execute(
            "INSERT INTO " +
            "boundary_condition(pamhyr_id, name, type, tab, node) " +
            "VALUES (" +
            f"{self._pamhyr_id}, '{self._db_format(self._name)}', " +
            f"'{self._db_format(self._type)}', '{tab}', {node}" +
            ")"
        )

        data["bc"] = self

        ind = 0
        for d in self._data:
            print(d)
            data["ind"] = ind

            d._db_save(execute, data)

            ind += 1

        return True

    def __len__(self):
        return len(self._data)

    @classmethod
    def compatibility(cls):
        return ["liquid", "solid", "suspenssion"]

    @classmethod
    def time_convert(cls, data):
        if type(data) is str:
            if data.count("-") == 2:
                return date_iso_to_timestamp(data)
            if data.count("/") == 2:
                return date_dmy_to_timestamp(data)
            if data.count(":") == 3:
                return old_pamhyr_date_to_timestamp(data)
            if data.count(":") == 2:
                return old_pamhyr_date_to_timestamp("00:" + data)
            if data.count(".") == 1:
                return round(float(data))

        return int(data)

    @property
    def name(self):
        if self._name == "":
            return f"B #{self.pamhyr_id}"

        return self._name

    @name.setter
    def name(self, name):
        self._name = name
        self._status.modified()

    @property
    def bctype(self):
        return self._type

    @property
    def node(self):
        return self._node

    @node.setter
    def node(self, node):
        self._node = node
        self._status.modified()

    def has_node(self):
        return self._node is not None

    @property
    def header(self):
        return self._header.copy()

    @property
    def data(self):
        return self._data.copy()

    def get_type_column(self, column):
        if 0 <= column < 2:
            return self._types[column]
        return None

    @property
    def _default_0(self):
        return self._types[0](0)

    @property
    def _default_1(self):
        return self._types[1](0.0)

    def is_define(self):
        return self._data is not None

    def new_from_data(self, header, data):
        new_0 = self._default_0
        new_1 = self._default_1

        if len(header) != 0:
            for i in [0, 1]:
                for j in range(len(header)):
                    if self._header[i] == header[j]:
                        if i == 0:
                            new_0 = self._types[i](data[j].replace(",", "."))
                        else:
                            new_1 = self._types[i](data[j].replace(",", "."))
        else:
            new_0 = self._types[0](data[0].replace(",", "."))
            new_1 = self._types[1](data[1].replace(",", "."))

        return Data(new_0, new_1)

    def add(self, index: int):
        value = Data(self._default_0, self._default_1)
        self._data.insert(index, value)
        self._status.modified()
        return value

    def insert(self, index: int, value):
        self._data.insert(index, value)
        self._status.modified()

    def delete_i(self, indexes):
        self._data = list(
            map(
                lambda e: e[1],
                filter(
                    lambda e: e[0] not in indexes,
                    enumerate(self.data)
                )
            )
        )
        self._status.modified()

    def delete(self, els):
        self._data = list(
            filter(
                lambda e: e not in els,
                self.data
            )
        )
        self._status.modified()

    def sort(self, _reverse=False, key=None):
        if key is None:
            self._data.sort(reverse=_reverse)
        else:
            self._data.sort(reverse=_reverse, key=key)
        self._status.modified()

    def index(self, bc):
        self._data.index(bc)

    def get_i(self, index):
        return self.data[index]

    def get_range(self, _range):
        lst = []
        for r in _range:
            lst.append(r)
        return lst

    def _set_i_c_v(self, index, column, value):
        v = self._data[index]
        v[column] = self._types[column](value)
        self._data[index] = v
        self._status.modified()

    def set_i_0(self, index: int, value):
        self._set_i_c_v(index, 0, value)

    def set_i_1(self, index: int, value):
        self._set_i_c_v(index, 1, value)

    @timer
    def convert(self, cls):
        new = cls(name=self.name, status=self._status)
        new.node = self.node

        for i, _ in enumerate(self.data):
            new.add(i)

        for i in [0, 1]:
            for j in [0, 1]:
                if self._header[i] == new.header[j]:
                    for ind, v in self.data:
                        try:
                            new._set_i_c_v(ind, j, v[i])
                        except Exception as e:
                            logger.info(e)

        return new

    def move_up(self, index):
        if index < len(self):
            next = index - 1
            d = self._data
            d[index], d[next] = d[next], d[index]
            self._status.modified()

    def move_down(self, index):
        if index >= 0:
            prev = index + 1
            d = self._data
            d[index], d[prev] = d[prev], d[index]
            self._status.modified()