# Copyright 2016 LasLabs Inc.
# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).

from odoo import api, fields, models


class BaseKanbanStage(models.Model):
    _name = 'base.kanban.stage'
    _description = 'Kanban Stage'
    _order = 'res_model_id, sequence'

    name = fields.Char(
        string='Stage Name',
        translate=True,
        required=True,
        help='Displayed as the header for this stage in Kanban views',
    )
    description = fields.Text(
        translate=True,
        help='Short description of the stage\'s meaning/purpose',
    )
    sequence = fields.Integer(
        default=1,
        required=True,
        index=True,
        help='Order of stage in relation to other stages available for the'
             ' same model',
    )
    legend_priority = fields.Text(
        string='Priority Explanation',
        translate=True,
        default='Mark a card as medium or high priority (one or two stars) to'
                ' indicate that it should be escalated ahead of others with'
                ' lower priority/star counts.',
        help='Explanation text to help users understand how the priority/star'
             ' mechanism applies to this stage',
    )
    legend_blocked = fields.Text(
        string='Special Handling Explanation',
        translate=True,
        default='Give a card the special handling status to indicate that it'
                ' requires handling by a special user or subset of users.',
        help='Explanation text to help users understand how the special'
             ' handling status applies to this stage',
    )
    legend_done = fields.Text(
        string='Ready Explanation',
        translate=True,
        default='Mark a card as ready when it has been fully processed.',
        help='Explanation text to help users understand how the ready status'
             ' applies to this stage',
    )
    legend_normal = fields.Text(
        string='Normal Handling Explanation',
        translate=True,
        default='This is the default status and indicates that a card can be'
                ' processed by any user working this queue.',
        help='Explanation text to help users understand how the normal'
             ' handling status applies to this stage',
    )
    fold = fields.Boolean(
        string='Collapse?',
        help='Determines whether this stage will be collapsed down in Kanban'
             ' views',
    )
    res_model_id = fields.Many2one(
        string='Associated Model',
        comodel_name='ir.model',
        required=True,
        index=True,
        help='The model that this Kanban stage will be used for',
        domain=[('transient', '=', False)],
        default=lambda s: s._default_res_model_id(),
    )

    @api.model
    def _default_res_model_id(self):
        '''Useful when creating stages from a Kanban view for another model'''
        action_id = self.env.context.get('params', {}).get('action')
        action = self.env['ir.actions.act_window'].browse(action_id)
        default_model = action.res_model
        if default_model != self._name:
            return self.env['ir.model'].search([('model', '=', default_model)])