package handler

import (
	"github.com/gin-gonic/gin"
	"kefu-cloud/server/internal/config"
	"kefu-cloud/server/internal/middleware"
	"kefu-cloud/server/internal/storage"
	"kefu-cloud/server/internal/ws"
)

func SetupRoutes(r *gin.Engine, store storage.ObjectStorage, storageCfg config.StorageConfig) {
	auth := NewAuthHandler()
	session := NewSessionHandler()
	customer := NewCustomerHandler()
	customerTag := NewCustomerTagHandler()
	knowledge := NewKnowledgeHandler()
	quickReply := NewQuickReplyHandler()
	stats := NewStatisticsHandler()
	admin := NewAdminHandler(store)
	channel := NewChannelHandler()
	settings := NewSettingsHandler()
	staff := NewStaffHandler()
	blacklist := NewBlacklistHandler()
	wsHandler := NewWsHandler()
	widget := NewWidgetHandler()
	upload := NewUploadHandler(store, storageCfg)
	perm := NewPermissionHandler()

	SetImagePublicBase(storageCfg.PublicBase)
	// 访客输入草稿 → 提取联系方式（由 ws 包回调，避免循环依赖）
	ws.ProcessDraftContacts = onVisitorDraftContacts

	api := r.Group("/api")

	// 公开接口
	api.POST("/login", auth.Login)

	// widget 接口
	widgetApi := api.Group("/widget")
	widgetApi.POST("/init", widget.Init)
	widgetApi.GET("/init", widget.Init)
	widgetApi.POST("/message", widget.SendMessage)
	widgetApi.POST("/leave-message", widget.LeaveMessage)
	widgetApi.GET("/messages", widget.GetMessages)
	widgetApi.GET("/ws", widget.Connect)
	widgetApi.POST("/rating", widget.SubmitRating)
	widgetApi.POST("/upload", upload.WidgetUploadImage)
	widgetApi.POST("/pageview", widget.PageView)
	widgetApi.POST("/heartbeat", widget.Heartbeat)

	// 需要认证的接口
	authRequired := api.Group("")
	authRequired.Use(middleware.AuthRequired())
	{
		// 当前用户
		authRequired.GET("/me", auth.Me)
		authRequired.GET("/me/permissions", auth.MePermissions)
		authRequired.PUT("/me/status", auth.UpdatePresence)

		// WebSocket
		authRequired.GET("/ws", wsHandler.Connect)

		// 上传
		authRequired.POST("/uploads", middleware.RequirePermission("session.reply"), upload.UploadImage)

		// 会话管理
		authRequired.GET("/agents/available", middleware.RequirePermission("session.transfer", "chat_history.view"), session.ListAvailableAgents)
		sessions := authRequired.Group("/sessions")
		sessions.GET("", middleware.RequirePermission("session.view", "chat_history.view"), session.List)
		sessions.GET("/export", middleware.RequirePermission("chat_history.export"), session.Export)
		sessions.GET("/:id", middleware.RequirePermission("session.view", "chat_history.detail"), session.Get)
		sessions.POST("", middleware.RequirePermission("session.view"), session.Create)
		sessions.POST("/batch-archive", middleware.RequirePermission("chat_history.batch_archive"), session.BatchArchive)
		sessions.POST("/:id/assign", middleware.RequirePermission("session.view"), session.Assign)
		sessions.POST("/:id/transfer", middleware.RequirePermission("session.transfer"), session.Transfer)
		sessions.POST("/:id/end", middleware.RequirePermission("session.end"), session.End)
		sessions.POST("/:id/archive", middleware.RequirePermission("chat_history.batch_archive"), session.Archive)
		sessions.PUT("/:id/priority", middleware.RequirePermission("session.priority"), session.UpdatePriority)
		sessions.GET("/:id/messages", middleware.RequirePermission("session.view", "chat_history.detail"), session.ListMessages)
		sessions.POST("/:id/messages", middleware.RequirePermission("session.reply"), session.SendMessage)
		sessions.POST("/:id/read", middleware.RequirePermission("session.view"), session.MarkRead)
		sessions.POST("/:id/notes", middleware.RequirePermission("session.note"), session.AddNote)

		// 客户管理
		customers := authRequired.Group("/customers")
		customers.GET("", middleware.RequirePermission("customer.view"), customer.List)
		customers.GET("/export", middleware.RequirePermission("customer.export"), customer.Export)
		customers.GET("/:id", middleware.RequirePermission("customer.view"), customer.Get)
		customers.POST("", middleware.RequirePermission("customer.create"), customer.Create)
		customers.PUT("/:id", middleware.RequirePermission("customer.edit"), customer.Update)
		customers.DELETE("/:id", middleware.RequirePermission("customer.export"), customer.Delete)

		// 黑名单（拉黑 IP / 设备）
		bl := authRequired.Group("/blacklist")
		bl.GET("", middleware.RequirePermission("blacklist.view"), blacklist.List)
		bl.POST("", middleware.RequirePermission("blacklist.create"), blacklist.Create)
		bl.DELETE("/:id", middleware.RequirePermission("blacklist.delete"), blacklist.Delete)

		// 客户标签库（管理员维护，全员可读可选）
		ctags := authRequired.Group("/customer-tags")
		ctags.GET("", middleware.RequirePermission("customer.view", "settings.customer_tag"), customerTag.List)
		ctags.POST("", middleware.RequirePermission("settings.customer_tag"), customerTag.Create)
		ctags.PUT("/:id", middleware.RequirePermission("settings.customer_tag"), customerTag.Update)
		ctags.DELETE("/:id", middleware.RequirePermission("settings.customer_tag"), customerTag.Delete)

		// 知识库
		kb := authRequired.Group("/knowledge")
		kb.GET("/categories", middleware.RequirePermission("knowledge.view"), knowledge.ListCategories)
		kb.POST("/categories", middleware.RequirePermission("knowledge.create"), knowledge.CreateCategory)
		kb.PUT("/categories/:id", middleware.RequirePermission("knowledge.edit"), knowledge.UpdateCategory)
		kb.DELETE("/categories/:id", middleware.RequirePermission("knowledge.delete"), knowledge.DeleteCategory)
		kb.GET("/entries", middleware.RequirePermission("knowledge.view"), knowledge.ListEntries)
		kb.POST("/entries", middleware.RequirePermission("knowledge.create"), knowledge.CreateEntry)
		kb.PUT("/entries/:id", middleware.RequirePermission("knowledge.edit"), knowledge.UpdateEntry)
		kb.DELETE("/entries/:id", middleware.RequirePermission("knowledge.delete"), knowledge.DeleteEntry)

		// 快捷回复（团队 / 个人，与知识库独立）
		qr := authRequired.Group("/quick-replies")
		qr.GET("", middleware.RequirePermission("quick_reply.view"), quickReply.List)
		qr.GET("/suggest", middleware.RequirePermission("quick_reply.view"), quickReply.Suggest)
		qr.GET("/export", middleware.RequirePermission("quick_reply.view"), quickReply.Export)
		qr.GET("/import-template", middleware.RequirePermission("quick_reply.personal_manage", "quick_reply.team_create"), quickReply.ImportTemplate)
		qr.POST("/import", middleware.RequirePermission("quick_reply.personal_manage", "quick_reply.team_create", "quick_reply.team_edit"), quickReply.Import)
		qr.POST("", middleware.RequirePermission("quick_reply.personal_manage", "quick_reply.team_create"), quickReply.Create)
		qr.PUT("/:id", middleware.RequirePermission("quick_reply.personal_manage", "quick_reply.team_edit"), quickReply.Update)
		qr.DELETE("/:id", middleware.RequirePermission("quick_reply.personal_manage", "quick_reply.team_edit"), quickReply.Delete)
		qr.POST("/:id/publish", middleware.RequirePermission("quick_reply.team_edit"), quickReply.Publish)
		qr.POST("/:id/unpublish", middleware.RequirePermission("quick_reply.team_edit"), quickReply.Unpublish)
		qr.POST("/:id/use", middleware.RequirePermission("quick_reply.view"), quickReply.Use)

		// 渠道设置（租户级）
		channels := authRequired.Group("/channels")
		channels.GET("", channel.List)
		channels.POST("", middleware.RequirePermission("settings.channel"), channel.Create)
		channels.PUT("/:id", middleware.RequirePermission("settings.channel"), channel.Update)

		// 租户系统设置
		settingsGroup := authRequired.Group("/settings")
		settingsGroup.GET("", middleware.RequirePermission(
			"settings.basic", "settings.assign_rule", "settings.auto_reply", "settings.worktime", "settings.notification",
		), settings.Get)
		settingsGroup.PUT("", middleware.RequirePermission("settings.basic"), settings.Update)

		// 坐席账号（租户内）
		staffGroup := authRequired.Group("/staff")
		staffGroup.Use(middleware.AdminRequired(), middleware.RequirePermission("settings.staff"))
		staffGroup.GET("", staff.List)
		staffGroup.POST("", staff.Create)
		staffGroup.POST("/batch", staff.Batch)
		staffGroup.PUT("/:id", staff.Update)
		staffGroup.DELETE("/:id", staff.Delete)

		// 权限管理（管理员专属）
		rolesGroup := authRequired.Group("/roles")
		rolesGroup.Use(middleware.AdminRequired())
		{
			rolesGroup.GET("", middleware.RequirePermission("permission.view"), perm.ListRoles)
			rolesGroup.GET("/permissions", middleware.RequirePermission("permission.view"), perm.ListPermissions)
			rolesGroup.GET("/:id", middleware.RequirePermission("permission.view"), perm.GetRole)
			rolesGroup.POST("", middleware.RequirePermission("permission.create_role"), perm.CreateRole)
			rolesGroup.PUT("/:id", middleware.RequirePermission("permission.create_role"), perm.UpdateRole)
			rolesGroup.PUT("/:id/builtin", middleware.RequirePermission("permission.create_role"), perm.UpdateBuiltinRole)
			rolesGroup.DELETE("/:id", middleware.RequirePermission("permission.delete_role"), perm.DeleteRole)
		}

		// 统计
		statistics := authRequired.Group("/statistics")
		statistics.GET("/kpi", middleware.RequirePermission("statistics.view"), stats.KPIs)
		statistics.GET("/trend", middleware.RequirePermission("statistics.view"), stats.SessionTrend)
		statistics.GET("/response-distribution", middleware.RequirePermission("statistics.view"), stats.ResponseDistribution)
		statistics.GET("/performance", middleware.RequirePermission("statistics.performance"), stats.AgentPerformance)
		statistics.GET("/channels", middleware.RequirePermission("statistics.view"), stats.ChannelDistribution)
		statistics.GET("/export", middleware.RequirePermission("statistics.export"), stats.Export)

		// 管理端接口（需要管理员权限）
		adminGroup := authRequired.Group("/admin")
		adminGroup.Use(middleware.PlatformRequired())
		{
			adminGroup.GET("/stats", admin.Stats)
			adminGroup.GET("/ops/metrics", admin.OpsMetrics)
			adminGroup.GET("/tenants", admin.ListTenants)
			adminGroup.GET("/tenants/:id", admin.GetTenant)
			adminGroup.POST("/tenants", admin.CreateTenant)
			adminGroup.PUT("/tenants/:id", admin.UpdateTenant)
			adminGroup.POST("/tenants/:id/suspend", admin.SuspendTenant)
			adminGroup.POST("/tenants/:id/resume", admin.ResumeTenant)

			adminGroup.GET("/plans", admin.ListPlans)
			adminGroup.POST("/plans", admin.CreatePlan)
			adminGroup.PUT("/plans/:id", admin.UpdatePlan)

			adminGroup.GET("/logs", admin.ListLogs)
			adminGroup.GET("/announcements", admin.ListAnnouncements)
			adminGroup.POST("/announcements", admin.CreateAnnouncement)
			adminGroup.PUT("/announcements/:id", admin.UpdateAnnouncement)
			adminGroup.DELETE("/announcements/:id", admin.DeleteAnnouncement)
		}
	}
}