from utils.database import pack_params


class User:
    def __init__(self, id_=None, name=None, phone=None, email=None, address=None, payment_method=None):
        self.id = id_
        self.name = name
        self.phone = phone
        self.email = email
        self.address = address
        self.payment_method = payment_method

    def insert_sql(self, params_format="list"):
        params_sql, params = pack_params(params_format=params_format, param_sql="{param}", join_str=",",
                                         name=self.name, phone=self.phone, email=self.email, address=self.address,
                                         payment_method=self.payment_method)
        return f"INSERT INTO user ({params_sql}) VALUES ({','.join('%s' for _ in params)})", params

    def select_sql(self, condition="AND", params_format="list"):
        params_sql, params = pack_params(params_format=params_format, param_sql="{param}=%s", join_str=f" {condition} ",
                                         name=self.name, phone=self.phone, email=self.email, address=self.address,
                                         payment_method=self.payment_method)
        return f"SELECT id, name, phone, email, address, payment_method FROM user WHERE {params_sql}", params

    def exists_sql(self, condition="AND", params_format="list"):
        params_sql, params = pack_params(params_format=params_format, param_sql="{param}=%s", join_str=f" {condition} ",
                                         name=self.name, phone=self.phone, email=self.email, address=self.address,
                                         payment_method=self.payment_method)
        return f"SELECT id FROM user WHERE {params_sql} LIMIT 1", params

    def params(self, format="dict"):
        if format == "list":
            params = []
        elif format == "dict":
            params = {}
        else:
            raise ValueError("format must be list or dict")
        if self.uid:
            if format == "list":
                params.append(self.uid)
            elif format == "dict":
                params["uid"] = self.uid
        if self.name:
            if format == "list":
                params.append(self.name)
            elif format == "dict":
                params["name"] = self.name
        if self.phone:
            if format == "list":
                params.append(self.phone)
            elif format == "dict":
                params["phone"] = self.phone
        if self.email:
            if format == "list":
                params.append(self.email)
            elif format == "dict":
                params["email"] = self.email
        if self.address:
            if format == "list":
                params.append(self.address)
            elif format == "dict":
                params["address"] = self.address
        if self.payment_method:
            if format == "list":
                params.append(self.payment_method)
            elif format == "dict":
                params["payment_method"] = self.payment_method
        return params

    def get_difference(self, other_user):
        different_attrs = {}
        if self.uid != other_user.uid:
            different_attrs["uid"] = (self.uid, other_user.uid)
        if self.name != other_user.name:
            different_attrs["name"] = (self.name, other_user.name)
        if self.phone != other_user.phone:
            different_attrs["phone"] = (self.phone, other_user.phone)
        if self.email != other_user.email:
            different_attrs["email"] = (self.email, other_user.email)
        if self.address != other_user.address:
            different_attrs["address"] = (self.address, other_user.address)
        if self.payment_method != other_user.payment_method:
            different_attrs["payment_method"] = (self.payment_method, other_user.payment_method)
        return different_attrs

    def __eq__(self, other):
        if isinstance(other, User):
            return ((self.name, self.phone, self.email, self.address, self.payment_method)
                    == (other.name, other.phone, other.email, other.address, other.payment_method))
        return False

    def __hash__(self):
        return hash((self.name, self.phone, self.email, self.address, self.payment_method))