package model

import (
	"database/sql/driver"
	"encoding/json"
	"fmt"
	"gorm.io/gorm"
	"project_management/app/e"
	"project_management/global"
	"project_management/unity"
	"project_management/utils"
	"strings"
	"time"
)

type Apply struct {
	//gorm.Model
	utils.BaseModel
	AppID                  string       `gorm:"type:varchar(50);not null;unique" json:"app_id"`                                              // 应用id
	UserId                 int          `gorm:"type:int;" json:"user_id"`                                                                    // 用户id
	UserName               string       `gorm:"type:varchar(50);" json:"user_name"`                                                          // 用户名
	AppName                string       `gorm:"type:varchar(50);index:idx_name,unique" json:"app_name" validate:"required" min:"3" max:"20"` // 应用名称
	AppDescription         string       `gorm:"type:varchar(255);" json:"app_description" validate:"required"`                               // 应用描述
	CertificationTime      utils.Time   `gorm:"type:datetime;" json:"certification_time"`                                                    // 认证到期时间
	State                  int          `gorm:"type:int;" json:"state"`                                                                      // 状态 1 正常 2 停用 3 过期 4 禁用
	Icon                   string       `gorm:"type:varchar(255);" json:"icon"`                                                              // 应用图标
	StartupDiagramPc       *string      `gorm:"type:varchar(255);" json:"startup_diagram_pc"`                                                // 启动图pc
	StartupDiagramMobile   *string      `gorm:"type:varchar(255);" json:"startup_diagram_mobile"`                                            // 启动图移动
	LoginMode              *int         `gorm:"type:int;" json:"login_mode"`                                                                 // 注册模式 1 公开注册 2禁止注册
	LoginMethod            *LoginMethod `gorm:"type:json" json:"login_method"`                                                               // 登录方式 1 短信 2 微信登录
	BackgroundImagePc      *string      `gorm:"type:varchar(255);" json:"background_image_pc"`                                               // 背景图pc
	BackgroundImageMobile  *string      `gorm:"type:varchar(255);" json:"background_image_mobile"`                                           // 背景图移动
	BackgroundImageObscure *float32     `gorm:"type:double;" json:"background_image_obscure"`                                                // 背景图模糊度
	TopicPC                *int         `gorm:"type:int;" json:"topic_pc"`                                                                   // 主题pc
	TopicMobile            *int         `gorm:"type:int;" json:"topic_mobile"`                                                               // 主题移动
	IsCollection           int          `gorm:"type:int;" json:"is_collection"`                                                              // 是否收藏 1 代表已收藏
}

type LoginMethod []int
type AppDto struct {
	Apply
	AppUserCount int64 `json:"app_user_count"`
}
type ApplyCapabilities struct {
	AppID string `json:"app_id" validate:"required"`
	CapID string `json:"cap_id" validate:"required"`
}

func (lo LoginMethod) Value() (driver.Value, error) {
	return json.Marshal(lo)
}

func (fn *LoginMethod) Scan(src interface{}) error {
	if src == nil {
		*fn = make(LoginMethod, 0)
		return nil
	}
	var u []byte
	switch v := src.(type) {
	case string:
		u = []byte(v)
	case []byte:
		u = v
	default:
		return fmt.Errorf("unsupported type: %T", src)
	}
	return json.Unmarshal(u, (*[]int)(fn))
}
func (a Apply) GetApplyAminList(params unity.QueryPageParams, apply Apply, queryCond string) (result []AppDto, total int64, err error) {
	//TODO implement me
	query := global.DBLink.Table(apply.TableName())
	if params.Query != "%%" {
		query = query.Where(queryCond, params.Query)
	}
	if params.State != "" {
		query = query.Where("state=?", params.State)
	}
	if err = query.Count(&total).Error; err != nil {
		return nil, 0, err
	}
	offset := (params.Page - 1) * params.Size
	if err = query.Offset(offset).Limit(params.Size).Order(params.Desc).Find(&result).Error; err != nil {
		return nil, 0, err
	}
	for i, _ := range result {
		tableName := "appuser_" + result[i].AppID
		recode, count := GetAllUserCount(tableName)
		if recode == e.SUCCESS {
			result[i].AppUserCount = count
		} else {
			result[i].AppUserCount = 0
		}
	}
	return result, total, nil
}

func (a Apply) TableName() string {
	return "applies"
}
func (a Apply) QueryApplyByAppName(appName, phone string) ([]Apply, error) {
	//TODO implement me
	var app []Apply
	var user User
	tx := global.DBLink.
		Where("app_name like ?", "%"+appName+"%").
		Find(&app)
	first := global.DBLink.Table(user.TableName()).Where("phone = ?", phone).First(&user)
	if first.Error != nil {
		return nil, first.Error
	}
	colls := make(map[string]bool)
	for _, s := range user.Collection {
		colls[s] = true
	}
	for i, _ := range app {
		if colls[app[i].AppID] {
			app[i].IsCollection = 1
		}
	}
	if tx.Error != nil {
		return nil, tx.Error
	}
	return app, nil
}

func (a Apply) GetApplyById(appid string) (Apply, error) {
	//TODO implement me
	tx := global.DBLink.
		Where("app_id=?", appid).
		First(&a)
	if tx.Error != nil {
		return Apply{}, tx.Error
	}
	if tx.RowsAffected > 0 {
		if a.LoginMethod == nil {
			a.LoginMethod = &LoginMethod{}
		}
		return a, nil
	}
	return Apply{}, nil
}

func (a Apply) UserUpdateApply(apply Apply) e.Rescode {
	//TODO implement me
	tx := global.DBLink.Where("id=?", apply.ID).Where("user_id=?", apply.UserId).Updates(&apply)
	if tx.Error != nil {
		return e.ERROR
	}
	if tx.RowsAffected > 0 {
		return e.SUCCESS
	}
	return e.ERROR
}

//	func (a Apply) GetApplyList(params unity.QueryPageParams, apply Apply, queryCond string) (result []Apply, total int64, err error) {
//		var count int64
//		if params.Query != "%%" && params.State != "" {
//			if err = global.DBLink.Model(apply).Where(queryCond, params.Query).Where("user_id=?", apply.UserId).Count(&count).Error; err != nil {
//				return nil, 0, err
//			}
//			// 计算查询的偏移量，并设置每次查询的记录数量
//			offset := (params.Page - 1) * params.Size
//			// 执行分页查询，包括偏移量设置、限制查询数量、排序及应用额外查询条件
//			if err = global.DBLink.Offset(offset).Limit(params.Size).Order(params.Desc).Where(queryCond, params.Query).Where("user_id=?", apply.UserId).Find(&result).Error; err != nil {
//				return nil, 0, err
//			}
//		} else if params.State != "" && params.Query == "%%" {
//			if err = global.DBLink.Model(apply).Where("state=?", params.State).Where("user_id=?", apply.UserId).Count(&count).Error; err != nil {
//				return nil, 0, err
//			}
//			// 计算查询的偏移量，并设置每次查询的记录数量
//			offset := (params.Page - 1) * params.Size
//			// 执行分页查询，包括偏移量设置、限制查询数量、排序及应用额外查询条件
//			if err = global.DBLink.Offset(offset).Limit(params.Size).Order(params.Desc).Where("state=?", params.State).Where("user_id=?", apply.UserId).Find(&result).Error; err != nil {
//				return nil, 0, err
//			}
//		} else if params.State != "" && params.Query != "%%" {
//			if err = global.DBLink.Model(apply).Where(queryCond, params.Query).Where("state=?", params.State).Where("user_id=?", apply.UserId).Count(&count).Error; err != nil {
//				return nil, 0, err
//			}
//			// 计算查询的偏移量，并设置每次查询的记录数量
//			offset := (params.Page - 1) * params.Size
//			// 执行分页查询，包括偏移量设置、限制查询数量、排序及应用额外查询条件
//			if err = global.DBLink.Offset(offset).Limit(params.Size).Order(params.Desc).Where(queryCond, params.Query).Where("state=?", params.State).Where("user_id=?", apply.UserId).Find(&result).Error; err != nil {
//				return nil, 0, err
//			}
//		} else {
//			if err = global.DBLink.Model(apply).Where("user_id=?", apply.UserId).Count(&count).Error; err != nil {
//				return nil, 0, err
//			}
//			// 计算查询的偏移量，并设置每次查询的记录数量
//			offset := (params.Page - 1) * params.Size
//			// 执行分页查询，包括偏移量设置、限制查询数量、排序及应用额外查询条件
//			if err = global.DBLink.Where("user_id=?", apply.UserId).Offset(offset).Limit(params.Size).Order(params.Desc).Find(&result).Error; err != nil {
//				return nil, 0, err
//			}
//		}
//		return result, count, nil
//	}
func (a Apply) GetApplyList(params unity.QueryPageParams, apply Apply, queryCond string) (result []Apply, total int64, err error) {
	var conditions []interface{}
	var whereClauses []string

	// 基础条件：按用户ID查询
	whereClauses = append(whereClauses, "user_id = ?")
	conditions = append(conditions, apply.UserId)

	// 添加状态查询条件
	if params.State != "" {
		whereClauses = append(whereClauses, "state = ?")
		conditions = append(conditions, params.State)
	}

	// 添加自定义查询条件，如果提供且不为默认值
	if params.Query != "%%" {
		whereClauses = append(whereClauses, queryCond)
		conditions = append(conditions, params.Query)
	}

	// 计算总数
	if err = global.DBLink.Model(apply).Where(strings.Join(whereClauses, " AND "), conditions...).Count(&total).Error; err != nil {
		return nil, 0, err
	}

	// 分页查询准备
	offset := (params.Page - 1) * params.Size

	// 执行分页查询
	if err = global.DBLink.Model(apply).
		Where(strings.Join(whereClauses, " AND "), conditions...).
		Offset(offset).
		Limit(params.Size).
		Order(params.Desc).
		Find(&result).Error; err != nil {
		return nil, 0, err
	}
	for i, _ := range result {
		if result[i].LoginMethod == nil {
			result[i].LoginMethod = &LoginMethod{}
		}
	}
	return result, total, nil
}

func (a Apply) AddApply(apply Apply) e.Rescode {
	//TODO implement me
	//设置系统默认状态
	tiem := time.Now().AddDate(0, 0, 365)
	apply.CertificationTime = utils.Time(tiem)
	apply.State = 1
	apply.Icon = global.IconSetting.IconPath
	if apply.BackgroundImageObscure == nil {
		apply.BackgroundImageObscure = new(float32)
		*apply.BackgroundImageObscure = 0.5
	}
	if apply.BackgroundImagePc == nil {
		apply.BackgroundImagePc = new(string)
		*apply.BackgroundImagePc = global.IconSetting.BackgroundImagePc
	}
	if apply.BackgroundImageMobile == nil {
		apply.BackgroundImageMobile = new(string)
		*apply.BackgroundImageMobile = global.IconSetting.BackgroundImageMobile
	}
	if apply.StartupDiagramPc == nil {
		apply.StartupDiagramPc = new(string)
		*apply.StartupDiagramPc = global.IconSetting.StartupDiagramPc
	}
	if apply.StartupDiagramMobile == nil {
		apply.StartupDiagramMobile = new(string)
		*apply.StartupDiagramMobile = global.IconSetting.StartupDiagramMobile
	}
	if apply.TopicPC == nil {
		apply.TopicPC = new(int)
		*apply.TopicPC = 1
	}
	if apply.TopicMobile == nil {
		apply.TopicMobile = new(int)
		*apply.TopicMobile = 1
	}

	tx := global.DBLink.Create(&apply)
	if tx.Error != nil {
		errMsg := tx.Error.Error()
		if strings.Contains(errMsg, "Duplicate entry") {
			return e.Repeat
		}
	}
	if tx.RowsAffected > 0 {
		return e.SUCCESS
	}
	return e.INSERTFAIL
}

// AppIdISRepeat 检查id是否重复
func AppIdISRepeat(id string) bool {
	tx := global.DBLink.Where("app_id = ?", id).First(&Apply{})
	if tx.RowsAffected > 0 {
		return true
	}
	return false
}

// IsRegist 判断是否可以注册
func IsRegist(appid string) bool {
	tx := global.DBLink.Model(&Apply{}).
		Select("login_mode", "app_id").
		Where("app_id=?", appid).
		Where("state=?", 1).
		Where("login_mode=?", 1)
	if tx.RowsAffected > 0 {
		return true
	}
	return false
}

// ApplyAddCap 添加应用能力
func (a Apply) ApplyAddCap(applycap ApplyCapabilities) e.Rescode {
	var caps Capabilities

	tx := global.DBLink.Begin()

	if err := tx.Table(a.TableName()).
		Where("app_id = ?", applycap.AppID).
		Update("caps", applycap.CapID).Error; err != nil {
		tx.Rollback()
		return e.INSERTFAIL
	}

	split := strings.Split(applycap.CapID, ",")

	for _, v := range split {
		if err := tx.Table(caps.TableName()).Where("cap_id = ?", v).
			Update("count", gorm.Expr("count + ?", 1)).
			Update("updated_at", utils.Time(time.Now())).Error; err != nil {
			tx.Rollback()
			return e.INSERTFAIL
		}
	}

	if err := tx.Commit().Error; err != nil {
		return e.INSERTFAIL
	}
	return e.SUCCESS
}

func (a Apply) UpDateApplyCap(applycap ApplyCapabilities) e.Rescode {
	//TODO implement me
	begin := global.DBLink.Begin()

	begin.Table(a.TableName()).Where("app_id = ?", applycap.AppID).First(&a)
	if err := begin.Table(a.TableName()).
		Where("app_id = ?", applycap.AppID).
		Update("caps", applycap.CapID).Error; err != nil {
		begin.Rollback()
		return e.UPDATEFAIL
	}
	return e.UPDATEFAIL
}
func (a Apply) CollectionList(params unity.QueryPageParams, apply Apply, phone string) (result []AppDto, total int64, err error) {
	//TODO implement me
	var user User
	query := global.DBLink.Table(apply.TableName())
	if err = query.Count(&total).Where("state = ?", 1).Error; err != nil {
		return nil, 0, err
	}
	offset := (params.Page - 1) * params.Size
	if err = query.Offset(offset).Limit(params.Size).Order(params.Desc).Find(&result).Where("state = ?", 1).Error; err != nil {
		return nil, 0, err
	}
	first := global.DBLink.Table(user.TableName()).Where("phone = ?", phone).First(&user)
	if first.Error != nil {
		return nil, 0, err
	}
	colls := make(map[string]bool)
	for _, s := range user.Collection {
		colls[s] = true
	}
	for i, _ := range result {
		if colls[result[i].AppID] {
			result[i].IsCollection = 1
		}
	}
	return result, total, nil
}

// Check 检查是否过期
func (a Apply) Check() bool {
	//TODO implement me
	//检查过期时间大于当前时间的应用并且更新状态为3--过期
	var applys []Apply
	now := utils.Time(time.Now())
	tx := global.DBLink.Table(a.TableName()).Where("certification_time < ?", now).Where("state != ?", 3).Find(&applys)
	if tx.Error != nil {
		return false
	}
	for i, _ := range applys {
		update := tx.Where("certification_time = ?", applys[i].CertificationTime).Update("state", 3)
		if update.Error != nil {
			return false
		}
		if update.RowsAffected > 0 {
			return true
		}
	}
	return false
}