package model

import (
	"context"
	"fmt"
	"strings"

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

var _ ProPlanYarnRatioModel = (*customProPlanYarnRatioModel)(nil)

type (
	ProPlanYarnRatioModel interface {
		proPlanYarnRatioModel
		FindByPlanId(ctx context.Context, planId string) ([]*ProPlanYarnRatio, error)
		BulkInsert(ctx context.Context, data []*ProPlanYarnRatio) error
	}

	customProPlanYarnRatioModel struct {
		*defaultProPlanYarnRatioModel
	}
)

func NewProPlanYarnRatioModel(conn sqlx.SqlConn) ProPlanYarnRatioModel {
	return &customProPlanYarnRatioModel{
		defaultProPlanYarnRatioModel: newProPlanYarnRatioModel(conn),
	}
}

func (m *customProPlanYarnRatioModel) FindByPlanId(ctx context.Context, planId string) ([]*ProPlanYarnRatio, error) {
	var list []*ProPlanYarnRatio
	query := fmt.Sprintf("SELECT %s FROM %s WHERE plan_id = ? ORDER BY id", proPlanYarnRatioRows, m.table)
	if err := m.conn.QueryRowsCtx(ctx, &list, query, planId); err != nil {
		return nil, err
	}
	return list, nil
}

func (m *customProPlanYarnRatioModel) BulkInsert(ctx context.Context, data []*ProPlanYarnRatio) error {
	if len(data) == 0 {
		return nil
	}
	values := make([]string, 0, len(data))
	args := make([]interface{}, 0, len(data)*6)
	for _, d := range data {
		values = append(values, "(?, ?, ?, ?, ?, ?)")
		args = append(args, d.RatioId, d.PlanId, d.YarnName, d.Ratio, d.AmountPerMeter, d.TotalAmount)
	}
	query := fmt.Sprintf("INSERT INTO %s (%s) VALUES %s", m.table, proPlanYarnRatioRowsExpectAutoSet, strings.Join(values, ","))
	_, err := m.conn.ExecCtx(ctx, query, args...)
	return err
}