package model

import (
	"context"
	"fmt"

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

var _ ProInboundRecordModel = (*customProInboundRecordModel)(nil)

type (
	ProInboundRecordModel interface {
		proInboundRecordModel
		FindByPlanId(ctx context.Context, planId string, page, pageSize int64) ([]*ProInboundRecord, int64, error)
		SumQuantityByPlan(ctx context.Context, planId string) (float64, int64, error)
	}

	customProInboundRecordModel struct {
		*defaultProInboundRecordModel
	}
)

func NewProInboundRecordModel(conn sqlx.SqlConn) ProInboundRecordModel {
	return &customProInboundRecordModel{
		defaultProInboundRecordModel: newProInboundRecordModel(conn),
	}
}

func (m *customProInboundRecordModel) FindByPlanId(ctx context.Context, planId string, page, pageSize int64) ([]*ProInboundRecord, int64, error) {
	var total int64
	countQuery := fmt.Sprintf("SELECT COUNT(*) FROM %s WHERE plan_id = ?", m.table)
	if err := m.conn.QueryRowCtx(ctx, &total, countQuery, planId); err != nil {
		return nil, 0, err
	}

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

func (m *customProInboundRecordModel) SumQuantityByPlan(ctx context.Context, planId string) (float64, int64, error) {
	var result struct {
		TotalQty   float64 `db:"total_qty"`
		TotalRolls int64   `db:"total_rolls"`
	}
	query := fmt.Sprintf("SELECT COALESCE(SUM(quantity),0) as total_qty, COALESCE(SUM(rolls),0) as total_rolls FROM %s WHERE plan_id = ?", m.table)
	if err := m.conn.QueryRowCtx(ctx, &result, query, planId); err != nil {
		return 0, 0, err
	}
	return result.TotalQty, result.TotalRolls, nil
}