package model

import (
	"context"
	"fmt"

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

var _ PurPurchaseReceiptModel = (*customPurPurchaseReceiptModel)(nil)

type (
	PurPurchaseReceiptModel interface {
		purPurchaseReceiptModel
		FindByOrderId(ctx context.Context, orderId string) ([]*PurPurchaseReceipt, error)
		FindList(ctx context.Context, tenantId string, page, pageSize int64, orderId string, status int64, startDate, endDate string) ([]*PurPurchaseReceipt, int64, error)
		CountTodayReceipts(ctx context.Context, tenantId, dateStr string) (int64, error)
	}

	customPurPurchaseReceiptModel struct {
		*defaultPurPurchaseReceiptModel
	}
)

func NewPurPurchaseReceiptModel(conn sqlx.SqlConn) PurPurchaseReceiptModel {
	return &customPurPurchaseReceiptModel{
		defaultPurPurchaseReceiptModel: newPurPurchaseReceiptModel(conn),
	}
}

func (m *customPurPurchaseReceiptModel) FindByOrderId(ctx context.Context, orderId string) ([]*PurPurchaseReceipt, error) {
	var list []*PurPurchaseReceipt
	query := fmt.Sprintf("SELECT %s FROM %s WHERE order_id = ? ORDER BY created_at DESC", purPurchaseReceiptRows, m.table)
	if err := m.conn.QueryRowsCtx(ctx, &list, query, orderId); err != nil {
		return nil, err
	}
	return list, nil
}

func (m *customPurPurchaseReceiptModel) FindList(ctx context.Context, tenantId string, page, pageSize int64, orderId string, status int64, startDate, endDate string) ([]*PurPurchaseReceipt, int64, error) {
	where := "WHERE tenant_id = ?"
	args := []interface{}{tenantId}

	if orderId != "" {
		where += " AND order_id = ?"
		args = append(args, orderId)
	}
	if status != -1 {
		where += " AND status = ?"
		args = append(args, status)
	}
	if startDate != "" {
		where += " AND receipt_date >= ?"
		args = append(args, startDate)
	}
	if endDate != "" {
		where += " AND receipt_date <= ?"
		args = append(args, endDate)
	}

	var total int64
	countQuery := fmt.Sprintf("SELECT COUNT(*) FROM %s %s", m.table, where)
	if err := m.conn.QueryRowCtx(ctx, &total, countQuery, args...); err != nil {
		return nil, 0, err
	}

	var list []*PurPurchaseReceipt
	query := fmt.Sprintf("SELECT %s FROM %s %s ORDER BY created_at DESC LIMIT ? OFFSET ?", purPurchaseReceiptRows, m.table, where)
	args = append(args, pageSize, (page-1)*pageSize)
	if err := m.conn.QueryRowsCtx(ctx, &list, query, args...); err != nil {
		return nil, 0, err
	}
	return list, total, nil
}

func (m *customPurPurchaseReceiptModel) CountTodayReceipts(ctx context.Context, tenantId, dateStr string) (int64, error) {
	var count int64
	query := fmt.Sprintf("SELECT COUNT(*) FROM %s WHERE tenant_id = ? AND DATE(created_at) = ?", m.table)
	if err := m.conn.QueryRowCtx(ctx, &count, query, tenantId, dateStr); err != nil {
		return 0, err
	}
	return count, nil
}