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


class PurchaseOrder(models.Model):
    _inherit = 'purchase.order'

    sale_order_id = fields.Many2one('sale.order', string='Sale Order')
    procurement_status = fields.Char(string='Procurement Status', compute='get_procurement_status', readonly=True)
    approval_status = fields.Selection([
        ('pengajuan1', 'Approval Manager'), #siapa? darren - 11
        ('pengajuan2', 'Approval Pimpinan'), #akbar - 7 temporary not used
        ('approved', 'Approved'),
    ], string='Approval Status', readonly=True, copy=False, index=True, tracking=3)
    count_line_product = fields.Float('Count Line Product', compute='compute_count_line_product')
    delivery_amount = fields.Float('Delivery Amount', compute='compute_delivery_amount')

    def get_procurement_status(self):
        for purchase_order in self:
            product_uom_qty = sum_qty_received = 0

            for order_line in purchase_order.order_line:
                product_uom_qty += order_line.product_uom_qty
                sum_qty_received += order_line.qty_received

            if product_uom_qty == sum_qty_received:
                status = 'Terproses'
            elif product_uom_qty > sum_qty_received > 0:
                status = 'Sebagian Diproses'
            else:
                status = 'Menunggu Diproses'
            purchase_order.procurement_status = status

    def sale_order_sync(self):
        if not self.sale_order_id:
            return

        purchase_orders = self.search(['&', ('sale_order_id', '=', self.sale_order_id.id), ('id', '!=', self.id)])
        products_exception = []
        for purchase_order in purchase_orders:
            for order_line in purchase_order.order_line:
                products_exception.append(order_line.product_id.id)

        self.order_line.unlink()
        for order_line in self.sale_order_id.order_line:
            if order_line.product_id.id and order_line.product_id.id not in products_exception:
                values = {
                    'order_id': self.id,
                    'product_id': order_line.product_id.id,
                    'name': order_line.product_id.display_name,
                    'product_qty': order_line.product_qty,
                }
                self.env['purchase.order.line'].sudo().create(values)

    def compute_count_line_product(self):
        for order in self:
            count = 0
            for line in order.order_line:
                if line.product_id.type == 'product':
                    count += 1
            if count == 0:
                order.count_line_product = 1
            else:
                order.count_line_product = count

    def compute_delivery_amount(self):
        for order in self:
            amount = 0
            for line in order.order_line:
                if line.product_id.type == 'service':
                    amount += line.price_total
            order.delivery_amount = amount

    def button_confirm(self):
        res = super(PurchaseOrder, self).button_confirm()

        for line in self.order_line:
            sale_order_line = self.env['sale.order.line'].search(
                [('product_id', '=', line.product_id.id),
                 ('order_id', '=', line.order_id.sale_order_id.id)], limit=1, order='price_reduce_taxexcl')

            est_purchase_price = sale_order_line.purchase_price
            real_purchase_price = line.price_unit
            real_tax = real_tax_amount = count_real_tax = 0
            for tax in line.taxes_id:
                count_real_tax += 1
                real_tax = tax
                real_tax_amount += tax.amount
            if (sale_order_line.purchase_tax_id.amount != real_tax_amount or count_real_tax > 1 \
                    or real_tax.price_include != sale_order_line.purchase_tax_id.price_include) and (self.env.user.id != 6):
                raise UserError("Beda tax amount dengan Sales, harus Approval Manager")
            elif est_purchase_price != real_purchase_price and self.env.user.id != 6:
                raise UserError("Beda Price dengan Sales, harus Approval Manager")
            self.approval_status = 'approved'

        return res

    def po_approve(self):
        approval = 0
        for line in self.order_line:
            sale_order_line = self.env['sale.order.line'].search(
                [('product_id', '=', line.product_id.id),
                 ('order_id', '=', line.order_id.sale_order_id.id)], limit=1, order='price_reduce_taxexcl')

            est_purchase_price = sale_order_line.purchase_price
            real_purchase_price = line.price_unit
            real_tax = real_tax_amount = count_real_tax = 0
            for tax in line.taxes_id:
                count_real_tax += 1
                real_tax = tax
                real_tax_amount += tax.amount
            if (sale_order_line.purchase_tax_id.amount != real_tax_amount or count_real_tax > 1 \
                    or real_tax.price_include != sale_order_line.purchase_tax_id.price_include) and self.env.user.id != 6:
                approval += 1
            elif est_purchase_price != real_purchase_price and self.env.user.id != 6:
                approval += 1
        if approval > 0:
            self.approval_status = "pengajuan1"
        else:
            raise UserError("Bisa langsung Confirm")

    def button_cancel(self):
        res = super(PurchaseOrder, self).button_cancel()
        self.approval_status = False
        return res