package model

import (
	"context"
	"fmt"
	"strings"

	"github.com/zeromicro/go-zero/core/stores/sqlx"
)

var _ PurPurchaseReceiptDetailModel = (*customPurPurchaseReceiptDetailModel)(nil)

type (
	PurPurchaseReceiptDetailModel interface {
		purPurchaseReceiptDetailModel
		FindByReceiptId(ctx context.Context, receiptId string) ([]*PurPurchaseReceiptDetail, error)
		DeleteByReceiptId(ctx context.Context, receiptId string) error
		BulkInsert(ctx context.Context, details []*PurPurchaseReceiptDetail) error
	}

	customPurPurchaseReceiptDetailModel struct {
		*defaultPurPurchaseReceiptDetailModel
	}
)

func NewPurPurchaseReceiptDetailModel(conn sqlx.SqlConn) PurPurchaseReceiptDetailModel {
	return &customPurPurchaseReceiptDetailModel{
		defaultPurPurchaseReceiptDetailModel: newPurPurchaseReceiptDetailModel(conn),
	}
}

func (m *customPurPurchaseReceiptDetailModel) FindByReceiptId(ctx context.Context, receiptId string) ([]*PurPurchaseReceiptDetail, error) {
	var list []*PurPurchaseReceiptDetail
	query := fmt.Sprintf("SELECT %s FROM %s WHERE receipt_id = ?", purPurchaseReceiptDetailRows, m.table)
	if err := m.conn.QueryRowsCtx(ctx, &list, query, receiptId); err != nil {
		return nil, err
	}
	return list, nil
}

func (m *customPurPurchaseReceiptDetailModel) DeleteByReceiptId(ctx context.Context, receiptId string) error {
	query := fmt.Sprintf("DELETE FROM %s WHERE receipt_id = ?", m.table)
	_, err := m.conn.ExecCtx(ctx, query, receiptId)
	return err
}

func (m *customPurPurchaseReceiptDetailModel) BulkInsert(ctx context.Context, details []*PurPurchaseReceiptDetail) error {
	if len(details) == 0 {
		return nil
	}
	placeholder := "(?, ?, ?, ?, ?, ?, ?)"
	placeholders := make([]string, len(details))
	args := make([]interface{}, 0, len(details)*7)
	for i, d := range details {
		placeholders[i] = placeholder
		args = append(args, d.DetailId, d.ReceiptId, d.OrderDetailId, d.ProductId, d.ActualQty, d.UnitCost, d.Remark)
	}
	query := fmt.Sprintf("INSERT INTO %s (%s) VALUES %s", m.table, purPurchaseReceiptDetailRowsExpectAutoSet, strings.Join(placeholders, ","))
	_, err := m.conn.ExecCtx(ctx, query, args...)
	return err
}