from odoo import models, fields, api, _
from odoo.exceptions import UserError, ValidationError
import logging
from datetime import datetime
from collections import defaultdict


class GudangService(models.Model):
    _name = "gudang.service"
    _description = "Gudang Service"
    _inherit = ["mail.thread", "mail.activity.mixin"]
    _order = "id asc"

    name = fields.Char("Name", readonly=True)
    partner_id = fields.Many2one("res.partner", string="Customer", readonly=True)
    vendor_id = fields.Many2one("res.partner", string="Vendor Service", required=True)
    origin = fields.Many2one(
        "sale.order",
        string="Origin SO",
        required=True,
        domain=[("state", "in", ["done", "sale"])],
    )
    schedule_date = fields.Date(string="Schedule Date", required=True, tracking=True)
    start_date = fields.Datetime(string="Date Processed", copy=False, tracking=True)
    create_date = fields.Datetime(
        string="Create Date", copy=False, tracking=True, default=fields.Datetime.now()
    )
    done_date = fields.Datetime(string="Date Done", copy=False, tracking=True)
    gudang_service_lines = fields.One2many(
        "gudang.service.line", "gudang_service_id", string="Gudang Service Lines"
    )
    # unprocessed_date = fields.Char(
    #     string='Unprocessed Since',
    #     compute='_compute_unprocessed_date'
    # )
    remaining_date = fields.Char(
        compute="_compute_remaining_date", string="Date Status"
    )
    state = fields.Selection(
        [
            ("draft", "Backlog"),
            ("received_from_cust", "Received From Customer"),
            ("sent_to_vendor", "Sent to Service Vendor"),
            ("received_from_vendor", "Received From Service Vendor"),
            ("delivered_to_cust", "Delivered to Customer"),
            ("cancel", "Cancel"),
        ],
        default="draft",
        tracking=True,
    )
    cancel_reason = fields.Text("Cancel Reason", tracking=True)

    def check_duplicate_docs(self):
        for rec in self:
            found = self.env["gudang.service"].search(
                [
                    ("id", "!=", self.id),
                    ("origin.id", "=", self.origin.id),
                    ("partner_id.id", "=", rec.partner_id.id),
                    ("vendor_id.id", "=", rec.vendor_id.id),
                    ("schedule_date", "=", rec.schedule_date),
                    (
                        "gudang_service_lines.product_id.name",
                        "=",
                        rec.gudang_service_lines.product_id.name,
                    ),
                    (
                        "gudang_service_lines.quantity",
                        "=",
                        rec.gudang_service_lines.quantity,
                    ),
                ]
            )
            if found:
                raise UserError("This Document has duplicate with %s" % found.name)

    def _send_logistic_notification(self):
        group = self.env.ref(
            "indoteknik_custom.group_role_logistic", raise_if_not_found=False
        )
        if not group:
            return

        users = group.users
        # MD
        md = self.env["res.users"].browse([3425, 4801, 1036])
        # send to logistic and MD
        users = users | md

        if not users:
            return

        # Logistic users to be excluded
        excluded_users = [7, 17098, 216, 28, 15710]

        for rec in self:
            for user in users:
                if user.id in excluded_users:
                    continue
                self.env["mail.activity"].create(
                    {
                        "res_model_id": self.env["ir.model"]._get_id("gudang.service"),
                        "res_id": rec.id,
                        "activity_type_id": self.env.ref(
                            "mail.mail_activity_data_todo"
                        ).id,
                        "user_id": user.id,
                        "summary": "Gudang Service On Progress",
                        "note": _(
                            "Ada Jadwal Service Barang di Document <b>%s</b> Jadwal Service 📅 <b>%s</b>"
                        )
                        % (rec.name, rec.schedule_date),
                        # 'date_deadline': fields.Date.today(),
                    }
                )

                # kirim ke private message odoo
                channel = (
                    self.env["mail.channel"]
                    .channel_get([self.env.user.partner_id.id, user.partner_id.id])
                    .get("id")
                )
                if not channel:
                    continue
                res = self.env["mail.channel"].browse(channel)
                res.with_user(self.env.user.browse(25)).message_post(
                    body=_(
                        "Ada Jadwal Service Barang di Document <b>%s</b> Jadwal Service 📅 <b>%s</b>"
                    )
                    % (rec.name, rec.schedule_date),
                    message_type="comment",
                    subtype_xmlid="mail.mt_comment",
                )

    @api.model
    def cron_notify_onprogress_gudang_service(self):
        records = self.search(
            [
                ("state", "in", ["draft", "received_from_customer"]),
            ]
        )

        if records:
            records._send_logistic_notification()

    @api.depends("schedule_date", "create_date")
    def _compute_remaining_date(self):
        today = fields.Date.today()

        for rec in self:
            if not rec.schedule_date:
                rec.remaining_date = "-"
                continue

            base_date = rec.create_date.date() if rec.create_date else today

            schedule = rec.schedule_date
            days = (schedule - base_date).days

            if days > 0:
                rec.remaining_date = _("In %s days") % days
            elif days == 0:
                rec.remaining_date = _("Today")
            else:
                rec.remaining_date = _("Overdue %s days") % abs(days)

    def action_submit(self):
        self.ensure_one()
        self.check_duplicate_docs()
        for rec in self:
            if rec.state == "draft":
                rec.state = "received_from_cust"
            elif rec.state == "received_from_cust":
                rec.state = "sent_to_vendor"
                rec.start_date = fields.Datetime.now()
            elif rec.state == "sent_to_vendor":
                rec.state = "received_from_vendor"

    def action_done(self):
        for rec in self:
            if rec.state != "received_from_vendor":
                raise UserError("Only 'Received From Vendor' state can be set to Done")

            rec.activity_ids.unlink()

            rec.write(
                {"state": "delivered_to_cust", "done_date": fields.Datetime.now()}
            )

    def action_draft(self):
        """Reset to draft state"""
        for rec in self:
            rec.cancel_reason = False
            if rec.state == "cancel":
                rec.write({"state": "draft"})
            else:
                raise UserError("Only Canceled Record Can Be Reset To Draft")

    def action_cancel(self):
        for rec in self:
            activities = self.env["mail.activity"].search(
                [
                    ("res_id", "=", rec.id),
                    ("res_model", "=", "gudang.service"),
                ]
            )
            activities.unlink()
            if rec.state == "delivered_to_cust":
                raise UserError("You cannot cancel a done record")
            if not rec.cancel_reason:
                raise UserError("Cancel Reason must be filled")
            rec.start_date = False
            rec.done_date = False
            rec.state = "cancel"

    @api.model
    def create(self, vals):
        # sequence
        if not vals.get("name") or vals["name"] == "New":
            vals["name"] = self.env["ir.sequence"].next_by_code("gudang.service")

        # partner dari SO
        so = self.env["sale.order"].browse(vals["origin"])
        vals["partner_id"] = so.partner_id.id

        res = super(GudangService, self).create(vals)

        res.check_duplicate_docs()
        res._send_logistic_notification()
        return res

    def write(self, vals):
        if vals.get("origin"):
            so = self.env["sale.order"].browse(vals["origin"])
            vals["partner_id"] = so.partner_id.id
            vals.check_duplicate_docs()

        return super(GudangService, self).write(vals)

    @api.onchange("origin")
    def _onchange_origin(self):
        if not self.origin:
            self.gudang_service_lines = [(5, 0, 0)]
            return

        self.partner_id = self.origin.partner_id

        lines = []
        for line in self.origin.order_line:
            lines.append(
                (
                    0,
                    0,
                    {
                        "product_id": line.product_id.id,
                        "quantity": line.product_uom_qty,
                        "origin_so": self.origin.id,
                    },
                )
            )

        # hapus line lama lalu isi baru
        self.gudang_service_lines = [(5, 0, 0)] + lines


class GudangServiceLine(models.Model):
    _name = "gudang.service.line"
    _inherit = ["mail.thread", "mail.activity.mixin"]

    product_id = fields.Many2one("product.product", string="Product")
    quantity = fields.Float(string="Quantity")
    origin_so = fields.Many2one("sale.order", string="Origin SO")
    gudang_service_id = fields.Many2one("gudang.service", string="Gudang Service ID")