import logging
from odoo import models, fields, api

_logger = logging.getLogger(__name__)


class FusionAccountingSession(models.Model):
    _name = 'fusion.accounting.session'
    _description = 'Fusion Accounting AI Session'
    _order = 'create_date desc'
    _inherit = ['mail.thread']

    name = fields.Char(
        string='Session',
        required=True,
        default=lambda self: self.env['ir.sequence'].next_by_code('fusion.accounting.session') or 'New',
    )
    user_id = fields.Many2one(
        'res.users', string='User',
        required=True, default=lambda self: self.env.user,
        index=True,
    )
    company_id = fields.Many2one(
        'res.company', string='Company',
        required=True, default=lambda self: self.env.company,
    )
    state = fields.Selection(
        selection=[
            ('active', 'Active'),
            ('closed', 'Closed'),
        ],
        string='Status',
        default='active',
        index=True,
    )
    message_ids_json = fields.Text(
        string='Messages (JSON)',
        default='[]',
        help='Stored conversation messages as JSON array.',
    )
    context_domain = fields.Char(
        string='Context Domain',
        help='Active accounting domain when session started.',
    )
    context_data = fields.Text(
        string='Context Data (JSON)',
        help='Additional Odoo context captured at session start.',
    )
    match_history_ids = fields.One2many(
        'fusion.accounting.match.history', 'session_id',
        string='Match History',
    )
    token_count_in = fields.Integer(string='Tokens In', default=0)
    token_count_out = fields.Integer(string='Tokens Out', default=0)
    tool_call_count = fields.Integer(string='Tool Calls', default=0)
    ai_provider = fields.Char(string='AI Provider')
    ai_model = fields.Char(string='AI Model')

    def action_close_session(self):
        self.write({'state': 'closed'})