"""Audit record of one follow-up execution (per partner per level)."""

from odoo import _, api, fields, models


STATE_SELECTION = [
    ('draft', 'Draft'),
    ('sent', 'Sent'),
    ('manual_review', 'Manual Review'),
    ('skipped', 'Skipped'),
    ('failed', 'Failed'),
]


class FusionFollowupRun(models.Model):
    _name = "fusion.followup.run"
    _description = "Fusion Follow-up Run (Per-Partner Audit)"
    _order = "execution_date desc, id desc"

    partner_id = fields.Many2one('res.partner', required=True, ondelete='cascade')
    company_id = fields.Many2one('res.company', required=True,
                                 default=lambda self: self.env.company)
    level_id = fields.Many2one('fusion.followup.level', ondelete='restrict')

    execution_date = fields.Datetime(default=fields.Datetime.now, required=True)
    state = fields.Selection(STATE_SELECTION, default='draft', required=True)

    overdue_amount = fields.Float()
    longest_overdue_days = fields.Integer()

    risk_score = fields.Integer()
    risk_band = fields.Selection([
        ('low', 'Low'), ('medium', 'Medium'),
        ('high', 'High'), ('critical', 'Critical'),
    ])

    subject = fields.Char()
    body = fields.Text()
    tone_used = fields.Selection([
        ('gentle', 'Gentle'), ('firm', 'Firm'), ('legal', 'Legal'),
    ])
    sent_to_email = fields.Char()

    text_was_ai_generated = fields.Boolean(default=False)
    ai_provider = fields.Char(help="LLM provider name (openai, claude, etc.) if AI was used.")

    notes = fields.Text()
    error_message = fields.Text()

    def action_mark_sent(self):
        self.write({'state': 'sent'})

    def action_mark_failed(self, error: str = ''):
        self.write({'state': 'failed', 'error_message': error})