# -*- coding: utf-8 -*-
from odoo import fields, models, tools


class PropertyAccountsReceivableSummary(models.Model):
    """应收账单未收汇总（按合同）—— 一行一个合同，聚合各应收类型未收金额。

    采用 PostgreSQL 视图 + _auto=False 模型：视图实时按合同聚合，
    无需定时任务同步，web 列表 / searchpanel / read_group 全部走标准 ORM。
    """
    _name = 'property.accounts.receivable.summary'
    _description = '应收账单未收汇总（按合同）'
    _auto = False
    _order = 'id desc'

    contract_id = fields.Many2one('property.lease.contract', string='合同')
    property_name = fields.Text(string='物业地址')
    admin_id = fields.Many2one('res.users', string='片区管理员')

    rent_unpaid = fields.Float(string='租金')
    management_unpaid = fields.Float(string='管理费')
    water_unpaid = fields.Float(string='水费')
    electricity_unpaid = fields.Float(string='电费')
    penalty_unpaid = fields.Float(string='违约金')
    deposit_unpaid = fields.Float(string='押金')
    lightbox_unpaid = fields.Float(string='灯箱')
    other_unpaid = fields.Float(string='其他')

    # 7 个单独展示的类型（灯箱单独一列）；其余类型（广告灯箱费/有偿服务收入/停车费/管子间/
    # 更名费/维修费/其他费用/评估费/保险费，以及以后新增的类型）全部归入「其他」
    _SUMMARY_TYPES = ['租金', '管理费', '水费', '电费', '违约金', '押金', '灯箱']

    def init(self):
        tools.drop_view_if_exists(self.env.cr, self._table)
        main_cols = ""
        for fname, tname in [
            ('rent_unpaid', '租金'), ('management_unpaid', '管理费'), ('water_unpaid', '水费'),
            ('electricity_unpaid', '电费'), ('penalty_unpaid', '违约金'), ('deposit_unpaid', '押金'),
            ('lightbox_unpaid', '灯箱'),
        ]:
            main_cols += "\n                    COALESCE(SUM(CASE WHEN t.name = '%s' THEN r.submitted ELSE 0.0 END), 0.0) AS %s," % (tname, fname)
        excluded = ", ".join("'%s'" % t for t in self._SUMMARY_TYPES)
        self.env.cr.execute("""
            CREATE OR REPLACE VIEW %(table)s AS (
                SELECT
                    r.contract_id AS id,
                    r.contract_id AS contract_id,
                    c.use_address AS property_name,
                    c.admin_id AS admin_id,%(main_cols)s
                    COALESCE(SUM(CASE WHEN t.name NOT IN (%(excluded)s) THEN r.submitted ELSE 0.0 END), 0.0) AS other_unpaid
                FROM property_accounts_receivable r
                LEFT JOIN property_lease_contract c ON c.id = r.contract_id
                LEFT JOIN yuthon_management_type t ON t.id = r.management_type_id
                WHERE r.contract_id IS NOT NULL
                  AND r.deposit_state IN ('unpaid', 'no_paid')
                  AND COALESCE(r.is_reconciliation, false) = false
                GROUP BY r.contract_id, c.use_address, c.admin_id
                HAVING COALESCE(SUM(r.submitted), 0) > 0
            )
        """ % {'table': self._table, 'main_cols': main_cols, 'excluded': excluded})

    def action_open_unpaid_detail(self):
        """未收明细：打开该合同下 未收/收部分 且 未对账 的应收账单，
        复用 view_property_accounts_receivable_tree，不做分组，按应收类型倒序"""
        self.ensure_one()
        tree_view = self.env.ref('yuthon_property.view_property_accounts_receivable_tree')
        search_view = self.env.ref('yuthon_property_approval.view_property_accounts_receivable_search')
        return {
            'name': '未收明细 - %s' % (self.contract_id.display_name or ''),
            'type': 'ir.actions.act_window',
            'res_model': 'property.accounts.receivable',
            'view_mode': 'tree',
            'view_id': tree_view.id,
            # 前端要求 search_view_id 为 [id, name] 列表格式，纯 int 会被忽略而回落到默认 search 视图
            'search_view_id': [search_view.id, search_view.name],
            'domain': [
                ('contract_id', '=', self.contract_id.id),
                ('deposit_state', 'in', ['unpaid', 'no_paid']),
                ('is_reconciliation', '=', False),
            ],
            'context': {
                'order': 'management_type_id desc',
            },
            'target': 'current',
        }