from odoo import models, fields, api


class SurveyQuestion(models.Model):
    _inherit = 'survey.question'

    question_type = fields.Selection(
        selection_add=[('event_product', 'Event product'),('event', 'Event'),('multiple_event_products', 'Multiple event products')]) #event_product : List product used in tickets of visible events
                                                                               #event : List events visible in surveys
                                                                                   

    event_product_question_id = fields.Many2one(
        'survey.question', string="Event product question", copy=False, compute="_compute_event_product_question_id",
        store=True, readonly=False, help="If you specify question of event product, only events of selected product will be proposed.",
        domain="[('survey_id', '=', survey_id), \
                 '&', ('question_type', 'in', ['event_product','multiple_event_products']), \
                 '|', \
                     ('sequence', '<', sequence), \
                     '&', ('sequence', '=', sequence), ('id', '<', id)]") #event product question, used by event question, to filter list of events
    
    event_registration_allowed_field_ids = fields.Many2many(
        comodel_name="ir.model.fields",
        compute="_compute_event_registration_allowed_field_ids",
    ) #fields of event registration, proposed in question, to associate answer to good event registration field, during event registration creation
    event_registration_field = fields.Many2one(
        string="Event registration field",
        comodel_name="ir.model.fields",
        domain="[('id', 'in', event_registration_allowed_field_ids)]",
    ) #field of event registration selected, used in event registration creation

    @api.depends("question_type")
    def _compute_event_registration_allowed_field_ids(self):
        """propose all event registration fields corresponding to selected question type
        """
        type_mapping = {
            "char_box": ["char", "text"],
            "text_box": ["html"],
            "numerical_box": ["integer", "float", "html", "char"],
            "date": ["date", "text", "char"],
            "datetime": ["datetime", "html", "char"],
            "simple_choice": ["many2one", "html", "char"],
            "multiple_choice": ["many2many", "html", "char"],            
        }
        for record in self:
            if record.question_type == "event":
                record.event_registration_allowed_field_ids = self.env["ir.model.fields"].search(
                    [
                        ("model", "=", "event.registration"),
                        ("name", "=", "event_id"),
                    ]
                ).ids
            
            record.event_registration_allowed_field_ids = self.env["ir.model.fields"].search(
                    [
                        ("model", "=", "event.registration"),
                        ("ttype", "in", type_mapping.get(record.question_type, [])),
                    ]
                ).ids
            
    
    @api.depends('question_type')
    def _compute_event_product_question_id(self):
        """ Used as an 'onchange' : Reset the event product question if user change question type
            Avoid CacheMiss : set the value to False if the value is not set yet."""
        for question in self:
            if not question.question_type == 'event' or question.event_product_question_id is None:
                question.event_product_question_id = False