# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import api, fields, models
from odoo.addons.onboarding.models.onboarding_progress import ONBOARDING_PROGRESS_STATES


class Onboarding(models.Model):
    _name = 'onboarding.onboarding'
    _description = 'Onboarding'
    _order = 'sequence asc, id desc'

    name = fields.Char('Name of the onboarding', translate=True)
    # One word identifier used to define the onboarding panel's route: `/onboarding/{route_name}`.
    route_name = fields.Char('One word name', required=True)
    step_ids = fields.One2many('onboarding.onboarding.step', 'onboarding_id', 'Onboarding steps')

    is_per_company = fields.Boolean('Should be done per company?', default=True)

    panel_background_color = fields.Selection(
        [('orange', 'Orange'), ('blue', 'Blue'), ('violet', 'Violet'), ('none', 'None')],
        string="Panel's Background color", default='orange',
        help="Color gradient added to the panel's background.")
    panel_background_image = fields.Binary("Panel's background image")
    panel_close_action_name = fields.Char(
        'Closing action', help='Name of the onboarding model action to execute when closing the panel.')

    current_progress_id = fields.Many2one(
        'onboarding.progress', 'Onboarding Progress', compute='_compute_current_progress',
        help='Onboarding Progress for the current context (company).')
    current_onboarding_state = fields.Selection(
        ONBOARDING_PROGRESS_STATES, string='Completion State', compute='_compute_current_progress', readonly=True)
    is_onboarding_closed = fields.Boolean(string='Was panel closed?', compute='_compute_current_progress')

    progress_ids = fields.One2many(
        'onboarding.progress', 'onboarding_id', string='Onboarding Progress Records', readonly=True,
        help='All Onboarding Progress Records (across companies).')

    sequence = fields.Integer(default=10)
    _sql_constraints = [
        ('route_name_uniq', 'UNIQUE (route_name)', 'Onboarding alias must be unique.'),
    ]

    @api.depends_context('company')
    @api.depends('progress_ids', 'progress_ids.is_onboarding_closed', 'progress_ids.onboarding_state')
    def _compute_current_progress(self):
        for onboarding in self:
            current_progress_id = onboarding.progress_ids.filtered(
                lambda progress: progress.company_id.id in {False, self.env.company.id})
            if current_progress_id:
                if len(current_progress_id) > 1:
                    current_progress_id = current_progress_id.sorted('create_date', reverse=True)[0]
                onboarding.current_onboarding_state = current_progress_id.onboarding_state
                onboarding.current_progress_id = current_progress_id
                onboarding.is_onboarding_closed = current_progress_id.is_onboarding_closed
            else:
                onboarding.current_onboarding_state = 'not_done'
                onboarding.current_progress_id = False
                onboarding.is_onboarding_closed = False

    def action_close(self):
        """Close the onboarding panel."""
        self.current_progress_id.action_close()

    def action_toggle_visibility(self):
        self.current_progress_id.action_toggle_visibility()

    def write(self, values):
        if 'is_per_company' in values:
            onboardings_per_company_update = self.filtered(
                lambda onboarding: onboarding.is_per_company != values['is_per_company'])

        res = super().write(values)

        if 'is_per_company' in values:
            # When changing this parameter, all progress (onboarding and steps) is reset.
            onboardings_per_company_update.progress_ids.unlink()
        return res

    def _search_or_create_progress(self):
        """Create Progress record(s) as necessary for the context.
        """
        onboardings_without_progress = self.filtered(lambda onboarding: not onboarding.current_progress_id)
        onboardings_without_progress._create_progress()
        return self.current_progress_id

    def _create_progress(self):
        return self.env['onboarding.progress'].create([
            {
                'company_id': self.env.company.id if onboarding.is_per_company else False,
                'onboarding_id': onboarding.id
            } for onboarding in self
        ])

    def _prepare_rendering_values(self):
        self.ensure_one()
        values = {
            'bg_image': f'/web/image/onboarding.onboarding/{self.id}/panel_background_image',
            'classes': f'o_onboarding_{self.panel_background_color}'
                       if self.panel_background_color not in {False, 'none'} else '',
            'close_method': self.panel_close_action_name,
            'close_model': 'onboarding.onboarding',
            'steps': self.step_ids,
            'state': self.current_progress_id._get_and_update_onboarding_state(),
        }

        return values