package com.socialapp.data.api

import com.squareup.moshi.Json
import retrofit2.Response
import retrofit2.http.*

// Auth DTOs
data class RegisterRequest(
    @Json(name = "username") val username: String,
    @Json(name = "email") val email: String,
    @Json(name = "password") val password: String
)

data class LoginRequest(
    @Json(name = "email") val email: String,
    @Json(name = "password") val password: String
)

data class AuthResponse(
    @Json(name = "user_id") val userId: Int,
    @Json(name = "username") val username: String,
    @Json(name = "email") val email: String,
    @Json(name = "token") val token: String,
    @Json(name = "profile_image") val profileImage: String? = null
)

// User DTOs
data class UserProfile(
    @Json(name = "id") val id: Int,
    @Json(name = "username") val username: String,
    @Json(name = "bio") val bio: String?,
    @Json(name = "profile_image") val profileImage: String?,
    @Json(name = "cover_photo") val coverPhoto: String?,
    @Json(name = "followers_count") val followersCount: Int,
    @Json(name = "following_count") val followingCount: Int,
    @Json(name = "posts_count") val postsCount: Int,
    @Json(name = "verified") val verified: Boolean = false
)

// Post DTOs
data class Post(
    @Json(name = "id") val id: Int,
    @Json(name = "user_id") val userId: Int,
    @Json(name = "username") val username: String,
    @Json(name = "profile_image") val profileImage: String?,
    @Json(name = "content") val content: String,
    @Json(name = "media_url") val mediaUrl: List<String>? = null,
    @Json(name = "likes_count") val likesCount: Int,
    @Json(name = "comments_count") val commentsCount: Int,
    @Json(name = "is_liked") val isLiked: Boolean,
    @Json(name = "created_at") val createdAt: String,
    @Json(name = "updated_at") val updatedAt: String
)

// Comment DTOs
data class Comment(
    @Json(name = "id") val id: Int,
    @Json(name = "user_id") val userId: Int,
    @Json(name = "username") val username: String,
    @Json(name = "profile_image") val profileImage: String?,
    @Json(name = "content") val content: String,
    @Json(name = "created_at") val createdAt: String
)

data class CommentRequest(
    @Json(name = "content") val content: String
)

// Story DTOs
data class Story(
    @Json(name = "id") val id: Int,
    @Json(name = "user_id") val userId: Int,
    @Json(name = "username") val username: String,
    @Json(name = "profile_image") val profileImage: String?,
    @Json(name = "media_url") val mediaUrl: String,
    @Json(name = "expires_at") val expiresAt: String,
    @Json(name = "created_at") val createdAt: String
)

// Like Request
data class LikeRequest(
    @Json(name = "post_id") val postId: Int
)

// Follow Response
data class FollowResponse(
    @Json(name = "status") val status: String,
    @Json(name = "following") val following: Boolean
)

// Paginated Response
data class PaginatedResponse<T>(
    @Json(name = "data") val data: List<T>,
    @Json(name = "current_page") val currentPage: Int,
    @Json(name = "last_page") val lastPage: Int,
    @Json(name = "total") val total: Int
)

// API Service Interface
interface ApiService {
    // Auth
    @POST("api/auth/register")
    suspend fun register(@Body request: RegisterRequest): Response<AuthResponse>

    @POST("api/auth/login")
    suspend fun login(@Body request: LoginRequest): Response<AuthResponse>

    // User
    @GET("api/user/{id}")
    suspend fun getUserProfile(@Path("id") userId: Int): Response<UserProfile>

    @GET("api/user/me")
    suspend fun getCurrentUser(): Response<UserProfile>

    @PUT("api/user/profile")
    suspend fun updateProfile(@Body profile: UserProfile): Response<UserProfile>

    // Posts
    @GET("api/posts")
    suspend fun getPosts(
        @Query("page") page: Int = 1,
        @Query("limit") limit: Int = 20
    ): Response<PaginatedResponse<Post>>

    @GET("api/user/{id}/posts")
    suspend fun getUserPosts(
        @Path("id") userId: Int,
        @Query("page") page: Int = 1
    ): Response<PaginatedResponse<Post>>

    @POST("api/posts")
    suspend fun createPost(@Body post: Post): Response<Post>

    @GET("api/posts/{id}")
    suspend fun getPost(@Path("id") postId: Int): Response<Post>

    @DELETE("api/posts/{id}")
    suspend fun deletePost(@Path("id") postId: Int): Response<Map<String, String>>

    // Likes
    @POST("api/posts/{id}/like")
    suspend fun likePost(@Path("id") postId: Int): Response<Map<String, Any>>

    @DELETE("api/posts/{id}/like")
    suspend fun unlikePost(@Path("id") postId: Int): Response<Map<String, String>>

    // Comments
    @GET("api/posts/{id}/comments")
    suspend fun getComments(
        @Path("id") postId: Int,
        @Query("page") page: Int = 1
    ): Response<PaginatedResponse<Comment>>

    @POST("api/posts/{id}/comment")
    suspend fun addComment(
        @Path("id") postId: Int,
        @Body request: CommentRequest
    ): Response<Comment>

    @DELETE("api/comments/{id}")
    suspend fun deleteComment(@Path("id") commentId: Int): Response<Map<String, String>>

    // Follow
    @POST("api/follow/{id}")
    suspend fun followUser(@Path("id") userId: Int): Response<FollowResponse>

    @DELETE("api/follow/{id}")
    suspend fun unfollowUser(@Path("id") userId: Int): Response<FollowResponse>

    @GET("api/user/{id}/followers")
    suspend fun getFollowers(@Path("id") userId: Int): Response<List<UserProfile>>

    @GET("api/user/{id}/following")
    suspend fun getFollowing(@Path("id") userId: Int): Response<List<UserProfile>>

    // Stories
    @GET("api/stories")
    suspend fun getStories(): Response<List<Story>>

    @POST("api/stories")
    suspend fun createStory(@Body story: Story): Response<Story>

    @DELETE("api/stories/{id}")
    suspend fun deleteStory(@Path("id") storyId: Int): Response<Map<String, String>>
}