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

from odoo import models, fields, api
from odoo.exceptions import ValidationError


class SOS_Material(models.Model):
    _name = 'sos_material'
    _description = 'Materials/Components Master'
    _rec_name= 'part_no'

    name = fields.Char(string="Display Name")
    material_type_id = fields.Many2one('sos_material_types', string="Material Type", required=True,ondelete='cascade')
    material_sub_type = fields.Many2one('sos_material_sub_types', string="Category", domain="[('material_type_id', '=', material_type_id)]")
    material_code = fields.Char(string="Material Code")
    category = fields.Selection([ ('A', 'A'),('B', 'B'),('C', 'C')], default='C' , string="Usual Lead Time")
    inspection_method = fields.Integer(string='Inspection Method',default=10)
    part_no = fields.Char(string="Part No", required= True)
    qp_no = fields.Char(string="QP No")
    hsn_code = fields.Char(string="HSN Code")
    uom = fields.Selection([('meters', 'Meters'), ('Packs', 'Packs'),('Nos', 'Nos'),('coils', 'Coils'), ('litre', 'litre'), ('kg', 'Kilogram')], string="Uom",required=True)
    currency_id = fields.Many2one('res.currency', string='Currency')
    minimum_stock_qty = fields.Integer(string="Minimum Stock Qty")
    minimum_order_qty = fields.Integer(string="Minimum Order Qty")
    blocked_qty = fields.Integer(string="Blocked Qty")
    std_packing_qty = fields.Integer(string="Standard Packing Qty")
    inhand_stock_qty = fields.Float(string="In-Hand Stock Qty")
    opening_bal_qty = fields.Float(string="Opening Balance Qty")
    inhand_stock_val = fields.Monetary(string="In-Hand Stock Value", currency_field='currency_id', compute='_compute_stock_val', store=True,group_operator="sum")
    in_transit_stock_qty = fields.Integer(string="In-Transit Qty") 
    in_transit_stock_val = fields.Monetary(string="In-Transit Stock Value", currency_field='currency_id')
    received_qty = fields.Integer(string="Last Received Qty")
    received_stock_val = fields.Monetary(string="Last Received Stock Value", currency_field='currency_id')
    cancelled_qty = fields.Integer(string="Canceled Qty")
    issued_qty = fields.Integer(string="Issue to Dispatch Qty")
    issued_val = fields.Monetary(string="Issue to Dispatch Value", currency_field='currency_id')
    defect_qty = fields.Integer(string="Defect Qty")
    defect_val = fields.Monetary(string="Defect Value", currency_field='currency_id')
    order_qty = fields.Integer(string="Required/Order Qty")
    unit_price = fields.Monetary(string="Unit Price", currency_field='currency_id')
    msp = fields.Monetary(string="Max Selling Price", currency_field='currency_id')
    location = fields.Char(string="Location in Stores")
    image = fields.Image(string="Upload Image",max_height=100,max_width=100)
    suppliers=fields.Many2many("sos_suppliers",string="Suppliers")
    description = fields.Text(string="Description")
    line_ids_in = fields.One2many(
        'sos_material_transaction_history', 'ref_id',
        string="Materials History - In",
        domain=[('action', '=', 'in')]
    )

    line_ids_out = fields.One2many(
        'sos_material_transaction_history', 'ref_id',
        string="Materials History - Out",
        domain=[('action', '=', 'out')]
    )
    _sql_constraints = [
        ('part_no_unique', 'UNIQUE(part_no)', 'Part No is Already In Our Records')
    ]
    @api.constrains('inhand_stock_qty')
    def _check_inhand_stock_qty(self):
        for record in self:
            if record.inhand_stock_qty < 0:
                raise ValidationError(
                    "The In-hand stock quantity for %s cannot be negative." % (
                        record.name or record.part_no
                    )
                )
    def write(self, vals):
        unit_price_changed = 'unit_price' in vals
        res = super().write(vals)

        if unit_price_changed:
            bom_lines = self.env['sos_sfg_bom_line'].search([
                ('primary_component_id', 'in', self.ids)
            ])
            bom_ids = bom_lines.mapped('bom_id')
            for bom in bom_ids:
                bom._sync_unit_price_with_sfg()
        return res
    @api.depends('unit_price','inhand_stock_qty')
    def _compute_stock_val(self):
        for val in self:
            val.inhand_stock_val = val.unit_price * val.inhand_stock_qty

    @api.onchange('material_sub_type')
    def _onchange_material_sub_type(self):
        if self.material_sub_type:
            prefix = self.material_sub_type.prefix
            last_material = self.env['sos_material'].search([
                ('material_code', 'like', prefix + '%')
            ], order='material_code desc', limit=1)
            
            if last_material:
                last_code = last_material.material_code
                next_number = int(last_code[len(prefix):]) + 1
            else:
                next_number = 1

            self.material_code = f"{prefix}{next_number:03d}"


class SOS_Material_Line(models.Model):
    _name = 'sos_material_transaction_history'
    _description = 'Material Lines'
    _order = 'date desc'

    ref_id = fields.Many2one('sos_material', string="Materials", ondelete="cascade")
    component_id = fields.Many2one('sos_material', string="Part No")
    action = fields.Selection([('in', 'IN'),('out', 'OUT')], string="Action", default='in')
    quantity = fields.Integer(string="Quantity")
    currency_id = fields.Many2one('res.currency', string='Currency')
    unit_price = fields.Monetary(string="Unit Price", currency_field='currency_id')
    date = fields.Datetime(string="Date", default=fields.Datetime.now)
    ir_no = fields.Many2one('sos_ir', string="Material Inward Ref No")
    min_no = fields.Many2one('sos_min', string="Material Issue Ref No")
    mrn_no = fields.Many2one('sos_mrn', string="Material Return Ref No")