package model

import (
	"SciencesServer/app/common/model"
	"SciencesServer/serve/orm"
	"fmt"
	"time"
)

type ServiceMessage struct {
	*model.ServiceMessage
}

type ServiceMessageInfo struct {
	*model.ServiceMessage
	model.Area
	HandleContent   string    `json:"handle_content"`
	HandleCreatedAt time.Time `json:"handle_created_at"`
}

func (m *ServiceMessage) Message(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ServiceMessageInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS m").
		Select("m.*", "l.content AS handle_content", "l.created_at AS handle_created_at",
			"t.province", "t.city").
		Joins(fmt.Sprintf("LEFT JOIN (SELECT MAX(id) AS id, message_id, MAX(created_at) AS created_at, MAX(content) AS content "+
			"FROM %s WHERE is_deleted = %d GROUP BY message_id) AS l ON m.id = l.message_id",
			model.NewServiceMessageLog().TableName(), model.DeleteStatusForNot)).
		Joins(fmt.Sprintf("LEFT JOIN %s AS t ON m.tenant_id = t.id", model.NewSysTenant().TableName()))

	if len(where) > 0 {
		for _, v := range where {
			db = db.Where(v.Condition, v.Value)
		}
	}
	out := make([]*ServiceMessageInfo, 0)

	if err := db.Count(count).Error; err != nil {
		return nil, err
	}
	if err := db.Order("m.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

func NewServiceMessage() *ServiceMessage {
	return &ServiceMessage{model.NewServiceMessage()}
}