# -*- 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.Many2many('onboarding.onboarding.step', string='Onboarding steps')

    text_completed = fields.Char(
        'Message at completion', default=_('Nice work! Your configuration is done.'),
        help='Text shown on onboarding when completed')

    is_per_company = fields.Boolean(
        'Should be done per company?', compute='_compute_is_per_company', readonly=True, store=False,
    )
    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('progress_ids', 'progress_ids.company_id', 'step_ids', 'step_ids.is_per_company')
    def _compute_is_per_company(self):
        # Once an onboarding is made "per-company", there is no drawback to simply still consider
        # it per-company even when if its last per-company step is unlinked. This allows to avoid
        # handling the merging of existing progress (step) records.

        onboardings_with_per_company_steps_or_progress = self.filtered(
            lambda o: o.progress_ids.company_id or (True in o.step_ids.mapped('is_per_company')))
        onboardings_with_per_company_steps_or_progress.is_per_company = True
        (self - onboardings_with_per_company_steps_or_progress).is_per_company = False

    @api.depends_context('company')
    @api.depends('progress_ids', 'progress_ids.is_onboarding_closed', 'progress_ids.onboarding_state', 'progress_ids.company_id')
    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:
                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 write(self, vals):
        """Recompute progress step ids if new steps are added/removed."""
        already_linked_steps = self.step_ids
        res = super().write(vals)
        if self.step_ids != already_linked_steps:
            self.progress_ids._recompute_progress_step_ids()
        return res

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

    @api.model
    def action_close_panel(self, xmlid):
        """Close the onboarding panel identified by its `xmlid`.

        If not found, quietly do nothing.
        """
        if onboarding := self.env.ref(xmlid, raise_if_not_found=False):
            onboarding.action_close()

    def action_refresh_progress_ids(self):
        """Re-initialize onboarding progress records (after step is_per_company change).

        Meant to be called when `is_per_company` of linked steps is modified (or per-company
        steps are added to an onboarding).
        """
        onboardings_to_refresh_progress = self.filtered(
            lambda o: o.is_per_company and o.progress_ids and not o.progress_ids.company_id
        )
        onboardings_to_refresh_progress.progress_ids.unlink()
        onboardings_to_refresh_progress._create_progress()

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

    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,
                'progress_step_ids': onboarding.step_ids.progress_ids.filtered(
                    lambda p: p.company_id.id in [False, self.env.company.id]
                ),
            }
            for onboarding in self
        ])

    def _prepare_rendering_values(self):
        self.ensure_one()
        values = {
            '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(),
            'text_completed': self.text_completed,
        }

        return values
