from odoo import api, fields, models, _


class HRApplicant(models.Model):
    _inherit = 'hr.applicant'

    finalized_ctc = fields.Float(string='Finalized CTC', tracking=True)
    offer_letter_ids = fields.One2many('offer.letter', 'candidate_id', string='Offer Letters')
    current_offer_letter_id = fields.Many2one(
        'offer.letter',
        string='Current Offer Letter',
        compute='_compute_current_offer_letter',
        store=True,
    )
    offer_release_status = fields.Selection(
        selection=[
            ('requested', 'Requested'),
            ('sent', 'Sent to Applicant'),
            ('accepted', 'Accepted'),
            ('rejected', 'Rejected'),
            ('expired', 'Expired'),
        ],
        string='Offer Status',
        related='current_offer_letter_id.state',
        readonly=True,
        store=False,
    )

    @api.depends('offer_letter_ids', 'offer_letter_ids.create_date', 'offer_letter_ids.state')
    def _compute_current_offer_letter(self):
        for applicant in self:
            offer_letters = applicant.offer_letter_ids.sorted(
                key=lambda offer: (offer.create_date or fields.Datetime.from_string('1970-01-01 00:00:00'), offer.id)
            )
            applicant.current_offer_letter_id = offer_letters[-1] if offer_letters else False

    def action_request_offer_release(self):
        self.ensure_one()
        return {
            'type': 'ir.actions.act_window',
            'name': _('Request Offer Release'),
            'res_model': 'offer.release.request.wizard',
            'view_mode': 'form',
            'view_id': self.env.ref('offer_letters.view_offer_release_request_wizard_form').id,
            'target': 'new',
            'context': {
                'default_applicant_id': self.id,
            },
        }

    def action_send_offer(self):
        return self.action_request_offer_release()