from odoo import fields, models, api
from odoo.exceptions import AccessError, MissingError, UserError, ValidationError


class WizardCreateNotifyNewObject(models.TransientModel):
    _name = "wizard.create.notify.new.object"
    _description = "Create Automation to send message to Telegram about new object"

    @api.model
    def _selection_target_model(self):
        return [(model.model, model.name) for model in self.env['ir.model'].sudo().search([])]

    @api.model
    def _selection_languages(self):
        return self.env['res.lang'].get_installed()

    name = fields.Char(required=True)
    chat_id = fields.Many2one('base_telegram.api', string='Bot and chat to send messages', required=True,
        help="Select Bot and chat to send messages")
    res_model_id = fields.Many2one('ir.model', string='Model', required=True,
        help="Select Model where new object will be monitored")
    template_id_domain = fields.Char(compute="_compute_template_id_domain")
    template_id = fields.Many2one('ir.ui.view', string='Template', domain="template_id_domain",
        help="Select QWeb Template to compose message")
    template_xml_id = fields.Char(string='Template xml_id', related='template_id.xml_id')
    template_arch = fields.Text(string='Template arch', related='template_id.arch')
    action_server_id_domain = fields.Char(compute="_compute_action_server_id")
    action_server_id = fields.Many2one('ir.actions.server', string='Server action to send message', required=True, domain="action_server_id_domain")
    action_code = fields.Text(string='Action python code', compute='_compute_action_code', compute_sudo=True, readonly=True)
    test_active = fields.Boolean(string='Activate Preview')
    test_record_ref = fields.Reference(
        string='Test Record',
        compute='_compute_test_record_ref',
        compute_sudo=False, readonly=False,
        selection='_selection_target_model',
        store=True
    )
    test_lang = fields.Selection(_selection_languages, string='Template Preview Language')
    test_no_record = fields.Boolean('No Record', compute='_compute_no_record')
    test_preview = fields.Text('Test Preview', compute='_compute_template_preview')

    @api.depends('res_model_id')
    def _compute_template_id_domain(self):
        for rec in self:
            domain = [('model', '=', rec.res_model_id.model if rec.res_model_id else False), ('type', '=', 'qweb')]
            rec.template_id_domain = domain

    @api.depends('res_model_id')
    def _compute_action_server_id(self):
        for rec in self:
            domain = [('model_id', '=', rec.res_model_id.id if rec.res_model_id else False), ('state', '=', 'code')]
            rec.action_server_id_domain = domain

    @api.depends('action_server_id')
    def _compute_action_code(self):
        for rec in self:
            if rec.action_server_id:
                rec.action_code = rec.action_server_id.code
            else:
                rec.action_code = False

    @api.depends('res_model_id')
    def _compute_test_record_ref(self):
        for rec in self:
            if rec.res_model_id:
                res = self.env[rec.res_model_id.model].search([], limit=1)
            else:
                res = False
            rec.test_record_ref = f'{str(rec.res_model_id.model)},{res.id}' if res else False

    @api.depends('test_record_ref')
    def _compute_no_record(self):
        for rec in self:
            rec.test_no_record = False if rec.test_record_ref else True

    @api.depends('test_record_ref','template_id')
    def _compute_template_preview(self):
        for rec in self:
            if rec.chat_id and rec.test_record_ref and rec.test_record_ref.id and rec.template_id:
                try:
                    rec.test_preview = rec.chat_id.with_context(
                            lang=rec.test_lang
                        ).render_template(rec.template_xml_id, rec.test_record_ref)
                except UserError as e:
                   rec.test_preview = f"Error: {e}"
            else:
                rec.test_preview = False

    def create_by_chat_id(self):
        self.ensure_one()

        chat_ids = self.env.context.get("active_ids", [])
        assert len(chat_ids) == 1

        chat_id = chat_ids[0]

        rule_obj = self.env["base.automation"]
        automation = rule_obj.create(
            {
                "name": self.name,
                "model_id": self.res_model_id.id,
                "trigger": 'on_create_or_write',
                "trigger_field_ids": self.env['ir.model.fields'].search([('model_id','=',self.res_model_id.id),('name','=','create_date')]),
                "action_server_ids": self.action_server_id.ids,
            }
        )
        return {
            "context": self.env.context,
            "name": "Automation Rule",
            "view_type": "form",
            "view_mode": "form",
            "res_model": "base.automation",
            "res_id": automation.id,
            "target": "current",
            "type": "ir.actions.act_window",
        }