package httpx

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"spark-server/internal/pkg/errs"
	"spark-server/internal/pkg/i18n"
	"spark-server/internal/pkg/reply"
	"spark-server/internal/pkg/reqctx"
	authhandler "spark-server/internal/transport/http/handler/auth"
	convhandler "spark-server/internal/transport/http/handler/conversation"
	favhandler "spark-server/internal/transport/http/handler/favorite"
	filehandler "spark-server/internal/transport/http/handler/file"
	friendhandler "spark-server/internal/transport/http/handler/friend"
	grouphandler "spark-server/internal/transport/http/handler/group"
	msghandler "spark-server/internal/transport/http/handler/message"
	metahandler "spark-server/internal/transport/http/handler/meta"
	momenthandler "spark-server/internal/transport/http/handler/moment"
	musichandler "spark-server/internal/transport/http/handler/music"
	smshandler "spark-server/internal/transport/http/handler/sms"
	squarehandler "spark-server/internal/transport/http/handler/square"
	userhandler "spark-server/internal/transport/http/handler/user"
	"spark-server/internal/transport/http/respond"
)

func registerRoutes(r *gin.Engine, deps *EngineDeps) {
	registerDocs(r)
	registerHealth(r, deps.Health)
	registerAdminRoutes(r, deps)
	v1 := r.Group("/v1")
	registerMetaRoutes(v1)
	registerAuthRoutes(v1, deps)
	registerSMSRoutes(v1, deps)
	registerUserRoutes(v1, deps)
	registerFriendRoutes(v1, deps)
	registerGroupRoutes(v1, deps)
	registerFileRoutes(v1, deps)
	registerFavoriteRoutes(v1, deps)
	registerMomentRoutes(v1, deps)
	registerSquareRoutes(v1, deps)
	registerMusicRoutes(v1, deps)
	registerConversationRoutes(v1, deps)
	registerMessageRoutes(v1, deps)
}

func registerHealth(r *gin.Engine, h Health) {
	r.GET("/healthz", func(c *gin.Context) {
		JSON(c, gin.H{"status": "ok"})
	})
	r.GET("/readyz", func(c *gin.Context) {
		if h == nil {
			JSON(c, gin.H{"status": "ok", "ready": true})
			return
		}
		ok, data := h.Ready(c.Request.Context())
		if ok {
			JSON(c, data)
			return
		}
		lang := reqctx.Lang(c.Request.Context())
		c.JSON(http.StatusServiceUnavailable, reply.Stamp(c.Request.Context(), reply.FailData(
			errs.ErrAvailable.Code,
			i18n.ErrorMsg(lang, errs.ErrAvailable.Code),
			data,
		)))
	})
}

func registerMetaRoutes(v1 *gin.RouterGroup) {
	h := metahandler.New()
	v1.GET("/meta/enums", h.Enums)
}

func registerAuthRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	g := v1.Group("/auth")
	if deps.Login == nil {
		return
	}
	h := authhandler.New(deps.Login)
	g.POST("/login", h.Login)
	g.POST("/token/refresh", h.Refresh)
	g.POST("/logout", h.Logout)
}

func registerSMSRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.SMS == nil {
		return
	}
	h := smshandler.New(deps.SMS)
	g := v1.Group("/sms")
	g.POST("/codes", h.SendCode)
}

func registerUserRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Users == nil {
		return
	}
	h := userhandler.New(deps.Users)
	g := v1.Group("/users")
	g.GET("/me", h.Me)
	g.PATCH("/me", h.PatchMe)
	g.DELETE("/me", h.DeleteMe)
}

func registerFriendRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Friends == nil {
		return
	}
	h := friendhandler.New(deps.Friends)
	g := v1.Group("/friends")
	g.GET("/lookup", h.Lookup)
	g.GET("/requests", h.ListRequests)
	g.POST("/requests", h.Apply)
	g.GET("", h.List)
	g.POST("", h.Accept)
	g.GET("/:uid", h.Get)
	g.DELETE("/:uid", h.Delete)
	g.PUT("/:uid/remark", h.Remark)
	g.PUT("/:uid/pin", h.Pin)
	g.DELETE("/:uid/pin", h.Unpin)
	g.PUT("/:uid/block", h.Block)
	g.DELETE("/:uid/block", h.Unblock)
	g.POST("/:uid/reports", h.Report)
}

func registerGroupRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Groups == nil {
		return
	}
	h := grouphandler.New(deps.Groups)
	g := v1.Group("/groups")
	g.POST("", h.Create)
	g.GET("", h.List)
	g.GET("/:id/members", h.ListMembers)
	g.POST("/:id/members", h.Invite)
	g.PATCH("/:id/members/:uid", h.UpdateMember)
	g.DELETE("/:id/members/:uid", h.RemoveMember)
	g.POST("/:id/transfer", h.Transfer)
	g.GET("/:id", h.Get)
	g.PATCH("/:id", h.Update)
	g.DELETE("/:id", h.Dissolve)
}

func registerFileRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Files == nil {
		return
	}
	h := filehandler.New(deps.Files)
	g := v1.Group("/files")
	g.POST("", h.Create)
	g.POST("/batch", h.CreateBatch)
	g.POST("/downloads", h.Download)
	g.POST("/downloads/batch", h.DownloadBatch)
}

func registerFavoriteRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Favorites == nil {
		return
	}
	h := favhandler.New(deps.Favorites)
	g := v1.Group("/favorites")
	g.GET("", h.List)
	g.POST("", h.Create)
	g.DELETE("/:id", h.Delete)
}

func registerMomentRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Moments == nil {
		return
	}
	h := momenthandler.New(deps.Moments)
	g := v1.Group("/moments")
	g.GET("", h.Feed)
	g.POST("", h.Publish)
	g.GET("/unread", h.Unread)
	g.PUT("/read", h.Read)
	g.GET("/notices", h.ListNotices)
	g.POST("/notices/read", h.ReadNotices)
	g.GET("/settings", h.GetSettings)
	g.PATCH("/settings", h.PatchSettings)
	g.PUT("/settings/hides/:uid", h.PutHide)
	g.DELETE("/settings/hides/:uid", h.DeleteHide)
	g.GET("/users/:uid", h.Album)
	g.GET("/:id", h.Get)
	g.DELETE("/:id", h.Delete)
	g.PUT("/:id/like", h.Like)
	g.DELETE("/:id/like", h.Unlike)
	g.POST("/:id/comments", h.CreateComment)
	g.DELETE("/:id/comments/:cid", h.DeleteComment)
}

func registerSquareRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Square == nil {
		return
	}
	h := squarehandler.New(deps.Square)
	g := v1.Group("/square")
	g.GET("/posts", h.Feed)
	g.POST("/posts", h.Publish)
	g.GET("/posts/:id", h.Get)
	g.DELETE("/posts/:id", h.Delete)
	g.PUT("/posts/:id/like", h.Like)
	g.DELETE("/posts/:id/like", h.Unlike)
	g.POST("/posts/:id/comments", h.CreateComment)
	g.DELETE("/posts/:id/comments/:cid", h.DeleteComment)
	g.GET("/users/:uid/posts", h.UserPosts)
	g.GET("/notices", h.ListNotices)
	g.GET("/notices/unread", h.NoticeUnread)
	g.POST("/notices/read", h.ReadNotices)
}

func registerMusicRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Music == nil {
		return
	}
	h := musichandler.New(deps.Music)
	g := v1.Group("/music")
	// 客户端可读：无需登录（列表为运营配置的公开曲目元数据）
	g.GET("/playlist", h.Playlist)
	g.GET("/categories", h.Categories)
	g.GET("/settings", h.Settings)
}

func registerConversationRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Sync == nil {
		return
	}
	h := convhandler.New(deps.Sync)
	g := v1.Group("/conversations")
	g.GET("", h.Inbox)
}

func registerMessageRoutes(v1 *gin.RouterGroup, deps *EngineDeps) {
	if deps.Messages == nil {
		return
	}
	h := msghandler.New(deps.Messages)
	g := v1.Group("/messages")
	g.GET("", h.History)
	g.POST("", h.Send)
	g.POST("/:id/recall", h.Recall)
	g.DELETE("/:id", h.Delete)
}

func JSON(c *gin.Context, data any) {
	respond.JSON(c, data)
}

func JSONError(c *gin.Context, err error) {
	respond.JSONError(c, err)
}

func BindJSON(c *gin.Context, dst any) error {
	return respond.BindJSON(c, dst)
}