package service

import (
	"time"

	"metazone.cc/metalab/internal/model"

	"gorm.io/gorm"
)

// userAuthStore AuthService 所需的最小仓储接口（ISP：7 个方法）
type userAuthStore interface {
	ExistsByEmail(email string) (bool, error)
	Create(user *model.User) error
	FindByEmail(email string) (*model.User, error)
	FindByID(id uint) (*model.User, error)
	Update(user *model.User) error
	ExistsByUsername(username string) (bool, error)
}

// userAdminStore AdminService 所需的最小仓储接口（ISP：7 个方法）
type userAdminStore interface {
	CountSearchUsers(keyword, role, status string) (int64, error)
	SearchUsers(keyword, role, status string, offset, limit int) ([]model.User, error)
	FindByIDUnscoped(userID uint) (*model.User, error)
	UpdateStatus(uid uint, status string) error
	SoftDelete(uid uint) error
	Restore(uid uint) error
	ExistsByEmailExclude(email string, excludeUID uint) (bool, error)
}

// postStore PostService 所需的最小仓储接口
type postStore interface {
	Create(post *model.Post) error
	FindByID(id uint) (*model.Post, error)
	FindByIDWithAuthor(id uint) (*model.Post, error)
	FindPageable(keyword string, offset, limit int) ([]model.Post, int64, error)
	FindAdminPageable(keyword, status string, offset, limit int) ([]model.Post, int64, error)
	FindByUserIDAndStatus(userID uint, status string, offset, limit int) ([]model.Post, int64, error)
	FindPendingRevisions(keyword string, offset, limit int) ([]model.Post, int64, error)
	Update(post *model.Post) error
	SoftDelete(id uint) error
	Restore(id uint) error
}

// spaceUserStore SpaceService 所需的最小用户仓储接口
type spaceUserStore interface {
	FindByID(id uint) (*model.User, error)
}

// spacePostStore SpaceService 所需的最小帖子仓储接口
type spacePostStore interface {
	FindByUserID(userID uint, offset, limit int) ([]model.Post, int64, error)
}

// postAdminStatStore AdminService 所需的帖子统计接口（ISP：2 个方法）
type postAdminStatStore interface {
	CountPostsByStatus(status string) (int64, error)
	CountPending() (int64, error)
}

// postNotifier PostService 所需的通知服务接口
type postNotifier interface {
	NotifyPostApproved(userID uint, postTitle string, postID uint)
	NotifyPostRejected(userID uint, postTitle, reason string, postID uint)
}

// userLevelStore LevelService 所需的用户仓储接口
type userLevelStore interface {
	FindByID(id uint) (*model.User, error)
	AddExp(userID uint, delta int) error
}

// checkInStore 签到记录仓储接口
type checkInStore interface {
	FindCheckIn(userID uint, date time.Time) (*model.UserCheckIn, error)
	CreateCheckIn(ci *model.UserCheckIn) error
}

// taskStore 任务完成记录仓储接口
type taskStore interface {
	FindTask(userID uint, taskType string) (*model.UserTask, error)
	CreateTask(task *model.UserTask) error
	HasTask(userID uint, taskType string) (bool, error)
}

// levelNotifier 等级升级通知接口
type levelNotifier interface {
	Create(userID uint, notifyType, title, content string, relatedID *uint) error
}

// EnergyStore EnergyService 所需的完整仓储接口
type EnergyStore interface {
	FindUserByID(userID uint) (*model.User, error)
	FindPostByID(postID uint) (*model.Post, error)
	AddEnergy(userID uint, amount int) error
	IncrPostEnergy(postID uint, amount int) error
	CreateEnergyLog(log *model.EnergyLog) error
	SumUserPostEnergy(userID, postID uint) (int, error)
	CreateEnergizeLog(log *model.PostEnergizeLog) error
	GetDailyEnergizeExp(userID uint, date time.Time) (*model.DailyExpSummary, error)
	UpsertDailyExp(summary *model.DailyExpSummary) error
	AddDailyExp(userID uint, date time.Time, delta int) error
	ListEnergyLogsByUser(userID uint, days int, offset, limit int) ([]model.EnergyLog, error)
	CountEnergyLogsByUser(userID uint, days int) (int64, error)
	ListAllEnergyLogs(energyType string, offset, limit int) ([]model.EnergyLog, int64, error)
	// WithTx 基于给定事务连接创建新的 EnergyStore（确保事务内操作原子性）
	WithTx(tx *gorm.DB) EnergyStore
}

// energyStore 向后兼容别名
type energyStore = EnergyStore

// energyNotifier EnergyService 所需的通知接口（ISP）
type energyNotifier interface {
	Create(userID uint, notifyType, title, content string, relatedID *uint) error
}
