# -*- coding: utf-8 -*-

import random
import requests
from urllib.parse import urlencode
import uuid
from odoo import models, fields, api, tools, _
from odoo.exceptions import UserError, ValidationError


class SlideChannel(models.Model):
    _inherit = 'slide.channel'

    uuid = fields.Char('UUID', required=True, copy=False, readonly=True, default=lambda self: uuid.uuid4(),
                       tracking=True)
    code = fields.Char('Code', required=True, copy=False, readonly=True, default=lambda self: _('New'), tracking=True)
    instance_arrangement = fields.Selection(
        [('share', 'Share'), ('exclude', 'Exclude'), ('both', 'Both'), ('no_need', 'No Need')], required=True,
        default="no_need", string="Instance Arrangement")

    shared_instance_count = fields.Integer('Shared Instance Count', default=1)
    instance_base = fields.Many2one('ospp.instance', string="Instance Base")
    instance_ids = fields.One2many('channel.instance', 'channel_id', string="Instances")
    shared_instance_demo_data = fields.Boolean('Shared Instance Demo Data', default=True)
    excluded_instance_demo_data = fields.Boolean('Excluded Instance Demo Data', default=False)

    @api.model
    def update_slide_channel(self):
        channel_obj = self.env['slide.channel'].sudo()
        instance_obj = self.env['channel.instance'].sudo()

        channel_ids = channel_obj.search([('instance_arrangement', 'not in', ['no_need']), ('instance_base', '!=', False)])
        for channel_id in channel_ids:
            channel_id.action_generate_instance()

        self.env.cr.commit()

        instance_ids = instance_obj.search([('instance_created', '!=', True)])
        for instance_id in instance_ids:
            instance_id.action_generate_instance()

        self.env.cr.commit()

        instance_ids = instance_obj.search([('instance_created', '=', True), ('is_notified', '!=', True)])
        for instance_id in instance_ids:
            instance_id.action_post_instance()

        return True

    def action_generate_instance(self):
        instance_obj = self.env['channel.instance'].sudo()
        partner_obj = self.env['slide.channel.partner'].sudo()
        for rec in self:
            if rec.instance_arrangement not in ['no_need'] and not (rec.instance_arrangement and rec.instance_base):
                raise ValidationError(_("No Instance Arrangement or Base provided!"))

            partner_ids = partner_obj.search([('channel_id', '=', rec.id)])

            rec.message_unsubscribe(partner_ids=[x.partner_id.id for x in partner_ids])

            if not rec.instance_ids:
                if rec.instance_arrangement in ['share', 'both']:
                    vals = []
                    for i in range(rec.shared_instance_count):
                        service_name = f"{rec.code}{i}"
                        val = {
                            "name": service_name,
                            "channel_id": rec.id,
                            "instance_id": rec.instance_base and rec.instance_base.id,
                            "service_name": service_name,
                            "service_url": f"{rec.instance_base.service_scheme}://{service_name}.{rec.instance_base.service_base_host}",
                            "admin_account": f"{rec.user_id.email}",
                            "admin_password": f"{random.randint(10000000,99999999)}",
                            "user_scope": [(6, 0, partner_ids.ids)],
                            "type": "share",
                            "demo_data": rec.shared_instance_demo_data
                        }
                        vals.append(val)
                    instance_obj.create(vals)

                if rec.instance_arrangement in ['exclude', 'both']:
                    vals = []
                    for partner_id in partner_ids:
                        service_name = f"{rec.code}{partner_id.partner_id.code}"
                        val = {
                            "name": service_name,
                            "channel_id": rec.id,
                            "instance_id": rec.instance_base and rec.instance_base.id,
                            "service_name": service_name,
                            "service_url": f"{rec.instance_base.service_scheme}://{service_name}.{rec.instance_base.service_base_host}",
                            "admin_account": f"{partner_id.partner_email}",
                            "admin_password": f"{random.randint(10000000,99999999)}",
                            "user_scope": [(6, 0, partner_id.ids)],
                            "type": "exclude",
                            "demo_data": rec.excluded_instance_demo_data
                        }
                        vals.append(val)
                    instance_obj.create(vals)
            else:
                if rec.instance_arrangement in ['share', 'both']:
                    vals = []
                    for i in range(rec.shared_instance_count):
                        service_name = f"{rec.code}{i}"
                        instance_id = instance_obj.search([('name', '=', service_name), ('channel_id', '=', rec.id)])
                        if not instance_id:
                            val = {
                                "name": service_name,
                                "channel_id": rec.id,
                                "instance_id": rec.instance_base and rec.instance_base.id,
                                "service_name": service_name,
                                "service_url": f"{rec.instance_base.service_scheme}://{service_name}.{rec.instance_base.service_base_host}",
                                "admin_account": f"{rec.user_id.email}",
                                "admin_password": f"{random.randint(10000000,99999999)}",
                                "user_scope": [(6, 0, partner_ids.ids)],
                                "type": "share",
                                "demo_data": rec.shared_instance_demo_data
                            }
                            vals.append(val)
                    if vals:
                        instance_obj.create(vals)

                if rec.instance_arrangement in ['exclude', 'both']:
                    vals = []
                    for partner_id in partner_ids:
                        service_name = f"{rec.code}{partner_id.partner_id.code}"
                        instance_id = instance_obj.search([('name', '=', service_name), ('channel_id', '=', rec.id)])
                        if not instance_id:
                            val = {
                                "name": service_name,
                                "channel_id": rec.id,
                                "instance_id": rec.instance_base and rec.instance_base.id,
                                "service_name": service_name,
                                "service_url": f"{rec.instance_base.service_scheme}://{service_name}.{rec.instance_base.service_base_host}",
                                "admin_account": f"{partner_id.partner_email}",
                                "admin_password": f"{random.randint(10000000,99999999)}",
                                "user_scope": [(6, 0, partner_id.ids)],
                                "type": "exclude",
                                "demo_data": rec.excluded_instance_demo_data
                            }
                            vals.append(val)
                    if vals:
                        instance_obj.create(vals)

    def name_get(self):
        # Prefetch the fields used by the `name_get`, so `browse` doesn't fetch other fields
        self.browse(self.ids).read(['name', 'code'])
        return [(channel.id, '%s%s' % (channel.code and '[%s] ' % channel.code or '', channel.name))
                for channel in self]

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if 'company_id' in vals:
                self = self.with_company(vals['company_id'])
            if vals.get('code', _("New")) == _("New"):
                seq_date = None
                vals['code'] = self.env['ir.sequence'].next_by_code('slide.channel', sequence_date=seq_date) or _("New")

        return super().create(vals_list)


class ChannelInstance(models.Model):
    _name = "channel.instance"
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _description = "Channel Instance"

    sequence = fields.Integer('Sequence', default=10)
    uuid = fields.Char(
        'UUID', required=True, copy=False, readonly=True, default=lambda self: uuid.uuid4(), tracking=True)
    code = fields.Char('Code', required=True, copy=False, readonly=True, default=lambda self: _('New'), tracking=True)
    channel_id = fields.Many2one('slide.channel', required=True, string="Channel")
    instance_id = fields.Many2one('ospp.instance', required=True, string="Instance")
    name = fields.Char('Name', required=True)
    service_name = fields.Char('Service Name', required=True)
    service_url = fields.Char('Service URL', required=True)
    user_scope = fields.Many2many('slide.channel.partner', string="User Scope")
    admin_account = fields.Char('Admin Account')
    admin_password = fields.Char('Admin Password')
    active = fields.Boolean('Active', default=True)
    type = fields.Selection([('share', 'Share'), ('exclude', 'Exclude')], string="Type", required=True, default='share')
    instance_created = fields.Boolean('Instance Created', default=False)
    message = fields.Text('Message')
    demo_data = fields.Boolean('Demo Data', default=True)
    is_notified = fields.Boolean('Is Notified', default=False)

    def action_post_instance(self):
        """
        发送实训环境地址和登录信息给用户...
        :return:
        """
        partner_obj = self.env['slide.channel.partner'].sudo()
        for rec in self:
            subject = f"通知: 《{rec.channel_id.name}》实训环境已经生成"
            html_body = f"""
            <div>@{', '.join([x.partner_id.name for x in rec.user_scope])} 您的实训环境已经创建！\n </div>
            <div>环境: {rec.service_url} \n</div>
            <div>账号: {rec.admin_account} \n</div>
            <div>密码: {rec.admin_password} \n</div>
            <div>课程: {self.env['ir.config_parameter'].sudo().get_param("web.base.url")}/slides/{rec.channel_id.id} \n</div>
            
            <div>预祝学习愉快!</div>
            """
            partner_ids = partner_obj.search([('channel_id', '=', rec.channel_id.id)])
            rec.channel_id.message_unsubscribe(partner_ids=[x.partner_id.id for x in partner_ids])

            partner_ids = [x.partner_id.id for x in rec.user_scope]
            kwargs = {}
            rec.channel_id.with_context(mail_create_nosubscribe=True).message_post(
                subject=subject,
                body=html_body,
                subtype_xmlid='website_slides.mt_channel_slide_published',
                email_layout_xmlid='mail.mail_notification_light',
                partner_ids=partner_ids,
                notified_partner_ids=[],
                **kwargs,
            )
            rec.is_notified = True
            return True

    def action_generate_instance(self):
        for rec in self:
            if rec.instance_created:
                return True

            url = f"{rec.instance_id.management_api}/web/database/create"
            master_pwd = f"{rec.instance_id.management_secret}"
            dbname = rec.service_name
            login = rec.admin_account
            password = rec.admin_password
            phone = ''
            lang = 'zh_CN'
            country_code = 'cn'
            demo = 1 if rec.demo_data else 0

            headers = {
                'Content-Type': 'application/x-www-form-urlencoded',
                'Cookie': 'frontend_lang=en_US; session_id=645c41edf8f8c7e1e983ba0f5bd9e94d9a3bd4bc'
            }

            payload = {
                'master_pwd': master_pwd,
                'name': dbname,
                'login': login,
                'password': password,
                'phone': phone,
                'lang': lang,
                'country_code': country_code,
                'demo': demo
            }

            response = requests.request("POST", url, headers=headers, data=urlencode(payload), verify=False)
            rec.message = response.text
            if response.status_code == 200 and ('error' not in response.text or 'exists' in response.text):
                rec.instance_created = True
            return True

    def name_get(self):
        # Prefetch the fields used by the `name_get`, so `browse` doesn't fetch other fields
        self.browse(self.ids).read(['name', 'code'])
        return [(channel.id, '%s%s' % (channel.code and '[%s] ' % channel.code or '', channel.name))
                for channel in self]

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if 'company_id' in vals:
                self = self.with_company(vals['company_id'])
            if vals.get('code', _("New")) == _("New"):
                seq_date = None
                vals['code'] = self.env['ir.sequence'].next_by_code(
                    'channel.instance', sequence_date=seq_date) or _("New")

        return super().create(vals_list)