package dao

import (
	"github.com/shopspring/decimal"
	"gorm.io/gorm"
	"server/global"
)

type Project struct {
	global.GVA_MODEL
	Code       string          `json:"code" form:"code" gorm:"comment:项目编号"`
	Name       string          `json:"name" form:"name" gorm:"comment:项目名称"`
	Principal  uint            `json:"principal" form:"principal" gorm:"comment:负责人"`
	Price      decimal.Decimal `json:"price" form:"price" gorm:"type:decimal(10,2);not null"`
	Illustrate string          `json:"illustrate" form:"illustrate" gorm:"comment:说明"`
	Source     string          `json:"source" form:"source" gorm:"comment:来源"`
	Progress   int             `json:"progress" form:"progress" gorm:"comment:进度"`
	State      int             `json:"state" form:"state" gorm:"comment:状态"`
	Files      []ProjectFile   `json:"files" form:"files" gorm:"-"`
}

func (Project) TableName() string {
	return "project"
}

// TODO:项目查询

// QueryProjectList 查询项目列表
func QueryProjectList(limit, offset, state int, name, time string) (project []*Project, total int64, err error) {
	// 创建db
	db := global.GVA_DB.Model(&Project{})
	// 如果有条件搜索 下方会自动创建搜索语句
	if state != 0 {
		db = db.Where("state = ?", state)
	}
	if name != "" {
		db = db.Where("name LIKE ?", "%"+name+"%")
	}
	if time != "" {
		db = db.Where("WHERE DATE_FORMAT(created_at, '%Y-%m') = ?", time)
	}
	err = db.Count(&total).Error
	if err != nil {
		return
	}
	err = db.Order("id desc").Limit(limit).Offset(offset).Find(&project).Error
	return project, total, err
}

// QueryProjectByCode 查询单个项目  按编号
func QueryProjectByCode(code string) (project Project, err error) {
	err = global.GVA_DB.Model(&Project{}).Where("code = ?", code).First(&project).Error
	return
}

// TODO:项目新增

// CreateProject 新增项目
func (p Project) CreateProject() error {
	return global.GVA_DB.Transaction(func(tx *gorm.DB) error {
		txErr := tx.Model(&Project{}).Create(&p).Error
		if txErr != nil {
			return txErr
		}

		for _, file := range p.Files {
			txErr := tx.Model(&ProjectFile{}).Create(&file).Error
			if txErr != nil {
				return txErr
			}
		}
		return txErr
	})
}

// TODO:项目修改

// UpdateProject 修改项目
func (p Project) UpdateProject() error {
	return global.GVA_DB.Model(&p).Updates(p).Error
}

// TODO:项目删除

// DeleteProject 删除项目
func DeleteProject(code string) error {
	return global.GVA_DB.Unscoped().Where("code = ?", code).Delete(&Project{}).Error
}