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


class EventEvent(models.Model):
    _name = 'event.event'
    _inherit = ['event.event', 'image.mixin']

    registration_status = fields.Selection([
        ('open', 'Open for Registration'),
        ('closed', 'Registrations Closed'),
        ('sold_out', 'Sold Out'),
        ('ongoing', 'Happening Now'),
    ], string='Registration Status', compute='_compute_registration_status', compute_sudo=True)

    is_registration_open = fields.Boolean(
        string='Is Registration Open',
        compute='_compute_registration_status',
        compute_sudo=True,
    )

    stage_display_name = fields.Char(
        string='Stage Display Name',
        compute='_compute_stage_display_name',
        compute_sudo=True,
    )

    @api.depends('stage_id', 'stage_id.name')
    def _compute_stage_display_name(self):
        for ev in self:
            ev_sudo = ev.sudo()
            ev.stage_display_name = ev_sudo.stage_id.name if ev_sudo.stage_id else 'Festival'

    @api.depends(
        'event_registrations_open',
        'event_registrations_sold_out',
        'is_done',
        'is_ongoing',
        'stage_id',
        'stage_id.name',
        'date_end',
        'kanban_state',
    )
    def _compute_registration_status(self):
        now = fields.Datetime.now()
        for ev in self:
            ev_sudo = ev.sudo()
            stage_name = (ev_sudo.stage_id.name or '').lower() if ev_sudo.stage_id else ''
            is_ended = bool(
                ev_sudo.is_done
                or stage_name in ['ended', 'done', 'cancelled', 'concluded']
                or (ev_sudo.date_end and ev_sudo.date_end < now)
                or (ev_sudo.kanban_state == 'cancel')
            )
            if ev_sudo.kanban_state == 'cancel':
                ev.registration_status = 'closed'
                ev.is_registration_open = False
            elif is_ended:
                ev.registration_status = 'closed'
                ev.is_registration_open = False
            elif ev_sudo.event_registrations_sold_out:
                ev.registration_status = 'sold_out'
                ev.is_registration_open = False
            elif ev_sudo.is_ongoing and not ev_sudo.event_registrations_open:
                ev.registration_status = 'ongoing'
                ev.is_registration_open = False
            elif ev_sudo.event_registrations_open:
                ev.registration_status = 'open'
                ev.is_registration_open = True
            else:
                ev.registration_status = 'closed'
                ev.is_registration_open = False