from odoo import models, fields, api
from odoo.exceptions import UserError
from datetime import datetime
import logging

_logger = logging.getLogger(__name__)


class Requisition(models.Model):
    _name = 'requisition'
    _order = 'id desc'

    number = fields.Char(string='Document No', index=True, copy=False, readonly=True)
    date_doc = fields.Date(string='Date', help='isi tanggal hari ini')
    description = fields.Char(string='Description', help='bebas isinya apa aja')
    requisition_lines = fields.One2many('requisition.line', 'requisition_id', string='Lines', auto_join=True)
    notification = fields.Char(string='Notification')
    is_po = fields.Boolean(string='Is PO')
    requisition_match = fields.One2many('requisition.purchase.match', 'requisition_id', string='Matches', auto_join=True)
    sale_order_id = fields.Many2one('sale.order', string='SO', help='harus diisi nomor SO yang ingin digenerate', 
                                    domain="[('state', '=', 'sale')]")

    @api.model
    def create(self, vals):
        vals['number'] = self.env['ir.sequence'].next_by_code('requisition') or '0'
        result = super(Requisition, self).create(vals)
        return result

    def create_requisition_from_sales_with_price(self):
        if self.requisition_lines:
            raise UserError('Sudah digenerate sebelumnya, hapus line terlebih dahulu')
        if not self.sale_order_id:
            raise UserError('Sale Order harus diisi')
        if self.is_po:
            raise UserError('Sudah jadi PO, tidak bisa di create ulang PO nya')

        count = 0
        for order_line in self.sale_order_id.order_line:
            # get purchase price altama, if nothing, then get other cheaper, if nothing then last po
            purchase_price = order_line.purchase_price
            vendor_id = order_line.vendor_id.id

            # get qty available bandengan
            qty_available = order_line.product_id.qty_onhand_bandengan + order_line.product_id.qty_incoming_bandengan - order_line.product_id.outgoing_qty
            suggest = 'harus beli'
            if qty_available > order_line.product_qty:
                suggest = 'masih cukup'

            self.env['requisition.line'].create([{
                'requisition_id': self.id,
                'partner_id': vendor_id,
                'brand_id': order_line.product_id.product_tmpl_id.x_manufacture.id,
                'product_id': order_line.product_id.id,
                'qty_purchase': order_line.product_uom_qty,
                'tax_id': order_line.purchase_tax_id.id,
                'price_unit': purchase_price,
                'subtotal': purchase_price * order_line.product_uom_qty,
                'source': 'sales',
                'qty_available_store': qty_available,
                'suggest': suggest,
            }])
            count+=1
            _logger.info('Create Requisition %s' % order_line.product_id.name)
        self.notification = "Requisition Created %s lines" % count

    def create_requisition_from_sales(self):
        if self.requisition_lines:
            raise UserError('Sudah digenerate sebelumnya, hapus line terlebih dahulu')
        if not self.sale_order_id:
            raise UserError('Sale Order harus diisi')
        if self.is_po:
            raise UserError('Sudah jadi PO, tidak bisa di create ulang PO nya')
        
        # old_requisition = self.env['requisition'].search([('sale_order_id', '=', self.sale_order_id.id)], limit=1)
        # if old_requisition:
        #     raise UserError('Sudah pernah jadi Requisition')

        count = 0
        for order_line in self.sale_order_id.order_line:
            # get purchase price altama, if nothing, then get other cheaper, if nothing then last po
            purchase_price = 0
            vendor_id = 0

            # get qty available bandengan
            qty_available = order_line.product_id.qty_onhand_bandengan + order_line.product_id.qty_incoming_bandengan - order_line.product_id.outgoing_qty
            suggest = 'harus beli'
            if qty_available > order_line.product_qty:
                suggest = 'masih cukup'

            purchase_pricelist = self.env['purchase.pricelist'].search([
                ('product_id.id', '=', order_line.product_id.id),
                ('vendor_id.id', '=', 5571)
                ], order='product_price asc', limit=1)
            purchase_price = purchase_pricelist.product_price
            vendor_id = purchase_pricelist.vendor_id.id
            source = 'PriceList'
            
            if not purchase_price or purchase_price <= 0:
                purchase_pricelist = self.env['purchase.pricelist'].search([('product_id', '=', order_line.product_id.id)], order='product_price asc', limit=1)
                purchase_price = purchase_pricelist.product_price
                vendor_id = purchase_pricelist.vendor_id.id
                source = 'PriceList'
            
            if not purchase_price or purchase_price <= 0:
                last_po_line = self.env['purchase.order.line'].search([('product_id', '=', order_line.product_id.id), ('order_id.state', '=', 'done')], order='id desc', limit=1)
                purchase_price = last_po_line.price_unit
                vendor_id = last_po_line.order_id.partner_id.id
                source = 'LastPO'
            
            if not purchase_price or purchase_price <= 0:
                purchase_price = 0
                vendor_id = 5571
                source = 'Nothing'

            self.env['requisition.line'].create([{
                'requisition_id': self.id,
                'partner_id': vendor_id,
                'brand_id': order_line.product_id.product_tmpl_id.x_manufacture.id,
                'product_id': order_line.product_id.id,
                'qty_purchase': order_line.product_uom_qty,
                'tax_id': order_line.purchase_tax_id.id,
                'price_unit': purchase_price,
                'subtotal': purchase_price * order_line.product_uom_qty,
                'source': source,
                'qty_available_store': qty_available,
                'suggest': suggest,
            }])
            count+=1
            _logger.info('Create Requisition %s' % order_line.product_id.name)
        self.notification = "Requisition Created %s lines" % count
    
    def create_po_from_requisition(self):
        if not self.requisition_lines:
            raise UserError('Tidak ada Lines, belum bisa create PO')
        if self.is_po:
            raise UserError('Sudah pernah di create PO')
        current_time = datetime.now()
        vendor_ids = self.env['requisition.line'].read_group([('requisition_id', '=', self.id), ('partner_id', '!=', False)], fields=['partner_id'], groupby=['partner_id'])
        
        counter_po_number = 0
        for vendor in vendor_ids:
            param_header = {
                'partner_id': vendor['partner_id'][0],
                'partner_ref': self.sale_order_id.name,
                'currency_id': 12,
                'user_id': self.env.user.id,
                'company_id': 1, # indoteknik dotcom gemilang
                'picking_type_id': 28, # indoteknik bandengan receipts
                'date_order': current_time,
                'sale_order_id': self.sale_order_id.id
            }
            # new_po = self.env['purchase.order'].create([param_header])
            products_vendors = self.env['requisition.line'].search([
                ('requisition_id', '=', self.id), 
                ('partner_id', '=', vendor['partner_id'][0]),
                ('qty_purchase', '>', 0)
            ], order='brand_id')
            count = brand_id = 0
            new_po = ''
            for product in products_vendors:
                if not new_po or ((count == 200 or brand_id != product.brand_id.id) and vendor['partner_id'][0] == 5571):
                    count = 0
                    counter_po_number += 1
                    new_po = self.env['purchase.order'].create([param_header])
                    new_po.name = new_po.name + "/R/"+str(counter_po_number)
                    self.env['requisition.purchase.match'].create([{
                        'requisition_id': self.id,
                        'order_id': new_po.id
                    }])
                    self.env.cr.commit()
                # else:
                #     new_po = self.env['purchase.order'].create([param_header])
                brand_id = product.brand_id.id
                count += 10

                qty_available = product.product_id.qty_onhand_bandengan + product.product_id.qty_incoming_bandengan - product.product_id.outgoing_qty
                suggest = 'harus beli'
                if qty_available > product.qty_purchase:
                    suggest = 'masih cukup'

                param_line = {
                    'order_id': new_po.id,
                    'sequence': count,
                    'product_id': product.product_id.id,
                    'product_qty': product.qty_purchase,
                    'product_uom_qty': product.qty_purchase,
                    'price_unit': product.last_price,
                    'taxes_id': product.tax_id,
                    'qty_available_store': qty_available,
                    'suggest': suggest,
                }
                new_line = self.env['purchase.order.line'].create([param_line])
                product.current_po_id = new_po.id
                product.current_po_line_id = new_line.id
                _logger.info('Create PO Line %s' % product.product_id.name)
            self.notification = self.notification + ' %s' % new_po.name
        self.is_po = True

class RequisitionLine(models.Model):
    _name = 'requisition.line'
    _description = 'Requisition Line'
    _order = 'requisition_id, id'

    requisition_id = fields.Many2one('requisition', string='Ref', required=True, ondelete='cascade', index=True, copy=False)
    brand_id = fields.Many2one('x_manufactures', string='Brand')
    product_id = fields.Many2one('product.product', string='Product')
    partner_id = fields.Many2one('res.partner', string='Vendor')
    qty_purchase = fields.Float(string='Qty Purchase')
    price_unit = fields.Float(string='Price')
    tax_id = fields.Many2one('account.tax', help='isi tax pembelian include atau exclude', domain="[('type_tax_use', '=', 'purchase')]")
    subtotal = fields.Float(string='Subtotal')
    last_price = fields.Float(string='Last Price')
    last_order_id = fields.Many2one('purchase.order', string='Last Order')
    last_orderline_id = fields.Many2one('purchase.order.line', string='Last Order Line')
    is_po = fields.Boolean(String='Is PO')
    current_po_id = fields.Many2one('purchase.order', string='Current')
    current_po_line_id = fields.Many2one('purchase.order.line', string='Current Line')
    source = fields.Char(string='Source', help='data harga diambil darimana')
    qty_available_store = fields.Float(string='Available')
    suggest = fields.Char(string='Suggest')

    @api.onchange('price_unit')
    def _onchange_price_unit(self):
        self.subtotal = self.price_unit * self.qty_purchase

class RequisitionPurchaseMatch(models.Model):
    _name = 'requisition.purchase.match'
    _order = 'requisition_id, id'

    requisition_id = fields.Many2one('requisition', string='Ref', required=True, ondelete='cascade', index=True, copy=False)
    order_id = fields.Many2one('purchase.order', string='Purchase Order')
    vendor = fields.Char(string='Vendor', compute='_compute_info_po')
    total = fields.Float(string='Total', compute='_compute_info_po')

    def _compute_info_po(self):
        for match in self:
            match.vendor = match.order_id.partner_id.name
            match.total = match.order_id.amount_total