package models

import "time"

// 通用请求和响应结构

// ErrorResponse 错误响应
type ErrorResponse struct {
	Error   string `json:"error"`
	Message string `json:"message"`
}

// SuccessResponse 成功响应
type SuccessResponse struct {
	Message string `json:"message"`
}

// BatchDeleteRequest 批量删除请求
type BatchDeleteRequest struct {
	IDs []uint `json:"ids" binding:"required,min=1"`
}

// GenerateSlugRequest 生成slug请求
type GenerateSlugRequest struct {
	Name string `json:"name" binding:"required"`
}

// GenerateSlugResponse 生成slug响应
type GenerateSlugResponse struct {
	Slug string `json:"slug"`
}

// 照片相关请求

// CreatePhotoRequest 创建照片请求
type CreatePhotoRequest struct {
	Title            string    `json:"title" binding:"required"`
	Description      string    `json:"description"`
	OriginalFilename string    `json:"original_filename"`
	FileSize         int64     `json:"file_size"`
	Status           string    `json:"status" binding:"oneof=draft published archived processing"`
	CategoryIDs      []uint    `json:"category_ids"`
	TagIDs           []uint    `json:"tag_ids"`
	Camera           string    `json:"camera"`
	Lens             string    `json:"lens"`
	ISO              int       `json:"iso"`
	Aperture         string    `json:"aperture"`
	ShutterSpeed     string    `json:"shutter_speed"`
	FocalLength      string    `json:"focal_length"`
	TakenAt          *time.Time `json:"taken_at"`
}

// UpdatePhotoRequest 更新照片请求
type UpdatePhotoRequest struct {
	Title        *string    `json:"title"`
	Description  *string    `json:"description"`
	Status       *string    `json:"status" binding:"omitempty,oneof=draft published archived processing"`
	CategoryIDs  *[]uint    `json:"category_ids"`
	TagIDs       *[]uint    `json:"tag_ids"`
	Camera       *string    `json:"camera"`
	Lens         *string    `json:"lens"`
	ISO          *int       `json:"iso"`
	Aperture     *string    `json:"aperture"`
	ShutterSpeed *string    `json:"shutter_speed"`
	FocalLength  *string    `json:"focal_length"`
	TakenAt      *time.Time `json:"taken_at"`
}

// BatchUpdatePhotosRequest 批量更新照片请求
type BatchUpdatePhotosRequest struct {
	IDs         []uint  `json:"ids" binding:"required,min=1"`
	Status      *string `json:"status" binding:"omitempty,oneof=draft published archived processing"`
	CategoryIDs *[]uint `json:"category_ids"`
	TagIDs      *[]uint `json:"tag_ids"`
}

// PhotoStats 照片统计信息
type PhotoStats struct {
	Total       int64             `json:"total"`
	ThisMonth   int64             `json:"this_month"`
	Today       int64             `json:"today"`
	TotalSize   int64             `json:"total_size"`
	StatusStats map[string]int64  `json:"status_stats"`
}

// 分类相关请求

// CreateCategoryRequest 创建分类请求
type CreateCategoryRequest struct {
	Name        string `json:"name" binding:"required"`
	Slug        string `json:"slug" binding:"required"`
	Description string `json:"description"`
	ParentID    *uint  `json:"parent_id"`
}

// UpdateCategoryRequest 更新分类请求
type UpdateCategoryRequest struct {
	Name        *string `json:"name"`
	Slug        *string `json:"slug"`
	Description *string `json:"description"`
	ParentID    *uint   `json:"parent_id"`
	SortOrder   *int    `json:"sort_order"`
	IsActive    *bool   `json:"is_active"`
}

// ReorderCategoriesRequest 重新排序分类请求
type ReorderCategoriesRequest struct {
	ParentID    *uint  `json:"parent_id"`
	CategoryIDs []uint `json:"category_ids" binding:"required,min=1"`
}

// CategoryStats 分类统计信息
type CategoryStats struct {
	Total       int64             `json:"total"`
	Active      int64             `json:"active"`
	TopLevel    int64             `json:"top_level"`
	PhotoCounts map[string]int64  `json:"photo_counts"`
}

// CategoryTree 分类树结构
type CategoryTree struct {
	ID          uint           `json:"id"`
	Name        string         `json:"name"`
	Slug        string         `json:"slug"`
	Description string         `json:"description"`
	ParentID    *uint          `json:"parent_id"`
	SortOrder   int            `json:"sort_order"`
	IsActive    bool           `json:"is_active"`
	PhotoCount  int64          `json:"photo_count"`
	Children    []CategoryTree `json:"children"`
	CreatedAt   time.Time      `json:"created_at"`
	UpdatedAt   time.Time      `json:"updated_at"`
}

// 标签相关请求

// CreateTagRequest 创建标签请求
type CreateTagRequest struct {
	Name        string `json:"name" binding:"required"`
	Slug        string `json:"slug" binding:"required"`
	Description string `json:"description"`
	Color       string `json:"color"`
}

// UpdateTagRequest 更新标签请求
type UpdateTagRequest struct {
	Name        *string `json:"name"`
	Slug        *string `json:"slug"`
	Description *string `json:"description"`
	Color       *string `json:"color"`
	IsActive    *bool   `json:"is_active"`
}

// TagStats 标签统计信息
type TagStats struct {
	Total             int64   `json:"total"`
	Active            int64   `json:"active"`
	Used              int64   `json:"used"`
	Unused            int64   `json:"unused"`
	AvgPhotosPerTag   float64 `json:"avg_photos_per_tag"`
}

// TagWithCount 带照片数量的标签
type TagWithCount struct {
	Tag
	PhotoCount int64 `json:"photo_count"`
}

// TagCloudItem 标签云项目
type TagCloudItem struct {
	Name  string `json:"name"`
	Slug  string `json:"slug"`
	Color string `json:"color"`
	Count int64  `json:"count"`
}

// 用户相关请求

// CreateUserRequest 创建用户请求
type CreateUserRequest struct {
	Username string `json:"username" binding:"required,min=3,max=50"`
	Email    string `json:"email" binding:"required,email"`
	Password string `json:"password" binding:"required,min=8"`
	Role     string `json:"role" binding:"oneof=user editor admin"`
}

// UpdateUserRequest 更新用户请求
type UpdateUserRequest struct {
	Username *string `json:"username" binding:"omitempty,min=3,max=50"`
	Email    *string `json:"email" binding:"omitempty,email"`
	Role     *string `json:"role" binding:"omitempty,oneof=user editor admin"`
	IsActive *bool   `json:"is_active"`
}

// UpdateCurrentUserRequest 更新当前用户请求
type UpdateCurrentUserRequest struct {
	Username *string `json:"username" binding:"omitempty,min=3,max=50"`
	Email    *string `json:"email" binding:"omitempty,email"`
}

// ChangePasswordRequest 修改密码请求
type ChangePasswordRequest struct {
	OldPassword string `json:"old_password" binding:"required"`
	NewPassword string `json:"new_password" binding:"required,min=8"`
}

// LoginRequest 登录请求
type LoginRequest struct {
	Username string `json:"username" binding:"required"`
	Password string `json:"password" binding:"required"`
}

// LoginResponse 登录响应
type LoginResponse struct {
	User         *UserResponse `json:"user"`
	AccessToken  string        `json:"access_token"`
	RefreshToken string        `json:"refresh_token"`
	ExpiresIn    int64         `json:"expires_in"`
}

// RefreshTokenRequest 刷新token请求
type RefreshTokenRequest struct {
	RefreshToken string `json:"refresh_token" binding:"required"`
}

// RefreshTokenResponse 刷新token响应
type RefreshTokenResponse struct {
	AccessToken  string `json:"access_token"`
	RefreshToken string `json:"refresh_token"`
	ExpiresIn    int64  `json:"expires_in"`
}

// UserResponse 用户响应（隐藏敏感信息）
type UserResponse struct {
	ID        uint      `json:"id"`
	Username  string    `json:"username"`
	Email     string    `json:"email"`
	Role      string    `json:"role"`
	IsActive  bool      `json:"is_active"`
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}