import logging
from odoo import models, fields, api

_logger = logging.getLogger(__name__)


class FusionAccountingMatchHistory(models.Model):
    _name = 'fusion.accounting.match.history'
    _description = 'Fusion Accounting Match History'
    _order = 'proposed_at desc'

    session_id = fields.Many2one(
        'fusion.accounting.session', string='Session',
        index=True, ondelete='cascade',
    )
    tool_name = fields.Char(string='Tool Name', required=True, index=True)
    tool_params = fields.Text(string='Tool Parameters (JSON)')
    tool_result = fields.Text(string='Tool Result (JSON)')
    ai_reasoning = fields.Text(string='AI Reasoning')
    ai_confidence = fields.Float(string='AI Confidence', digits=(3, 2))
    rule_id = fields.Many2one(
        'fusion.accounting.rule', string='Applied Rule',
        ondelete='set null',
    )
    proposed_at = fields.Datetime(
        string='Proposed At',
        default=fields.Datetime.now,
        required=True,
    )
    decision = fields.Selection(
        selection=[
            ('approved', 'Approved'),
            ('rejected', 'Rejected'),
            ('pending', 'Pending'),
            ('auto', 'Auto-Executed'),
        ],
        string='Decision',
        default='pending',
        index=True,
    )
    decided_at = fields.Datetime(string='Decided At')
    decided_by = fields.Many2one('res.users', string='Decided By')
    rejection_reason = fields.Text(string='Rejection Reason')
    correct_action = fields.Text(string='Correct Action (JSON)')
    bank_statement_line_id = fields.Many2one(
        'account.bank.statement.line', string='Bank Statement Line',
        ondelete='set null',
    )
    move_line_ids = fields.Many2many(
        'account.move.line', string='Journal Items',
    )
    amount = fields.Monetary(string='Amount', currency_field='currency_id')
    currency_id = fields.Many2one(
        'res.currency', string='Currency',
        default=lambda self: self.env.company.currency_id,
    )
    partner_id = fields.Many2one('res.partner', string='Partner')
    company_id = fields.Many2one(
        'res.company', string='Company',
        default=lambda self: self.env.company,
    )

    def action_approve(self):
        self.write({
            'decision': 'approved',
            'decided_at': fields.Datetime.now(),
            'decided_by': self.env.user.id,
        })
        for rec in self:
            if rec.rule_id:
                rec.rule_id._record_decision(approved=True)

    def action_reject(self):
        self.write({
            'decision': 'rejected',
            'decided_at': fields.Datetime.now(),
            'decided_by': self.env.user.id,
        })
        for rec in self:
            if rec.rule_id:
                rec.rule_id._record_decision(approved=False)