package router

import (
	"net/http"

	"chatapp3-golang/internal/config"
	"chatapp3-golang/internal/service/highwin"
	"chatapp3-golang/internal/service/regionimgroup"

	"github.com/gin-gonic/gin"
)

// registerRegionIMGroupRoutes 注册区域通用 IM 群组和区域广播接口。
func registerRegionIMGroupRoutes(
	engine *gin.Engine,
	cfg config.Config,
	javaClient authGateway,
	service *regionimgroup.Service,
) {
	if service == nil {
		return
	}

	registerRegionIMGroupAppRoutes(engine, javaClient, service)
	registerRegionIMGroupInternalRoutes(engine, cfg, service)
	registerRegionIMGroupAdminRoutes(engine, javaClient, service)
}

func registerRegionIMGroupAppRoutes(engine *gin.Engine, javaClient authGateway, service *regionimgroup.Service) {
	handler := func(c *gin.Context) {
		resp, err := service.GetCurrentRegionIMGroup(c.Request.Context(), mustAuthUser(c))
		if err != nil {
			writeError(c, err)
			return
		}
		writeOK(c, resp)
	}

	appGroup := engine.Group("/app/region-im-group")
	appGroup.Use(authMiddleware(javaClient))
	appGroup.GET("/current", handler)

	legacyGroup := engine.Group("/app/voice-room/red-packet")
	legacyGroup.Use(authMiddleware(javaClient))
	legacyGroup.GET("/im-group", handler)
}

func registerRegionIMGroupInternalRoutes(engine *gin.Engine, cfg config.Config, service *regionimgroup.Service) {
	internalGroup := engine.Group("/internal/voice-room")
	internalGroup.Use(internalSecretMiddleware(cfg.HTTP.InternalCallbackSecret))
	internalGroup.POST("/region-broadcast", func(c *gin.Context) {
		var req regionimgroup.RegionBroadcastRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			writeError(c, regionimgroup.NewAppError(http.StatusBadRequest, "bad_request", err.Error()))
			return
		}
		resp, err := service.SendRegionBroadcast(c.Request.Context(), req)
		if err != nil {
			writeError(c, err)
			return
		}
		writeOK(c, resp)
	})
}

func registerRegionIMGroupAdminRoutes(engine *gin.Engine, javaClient authGateway, service *regionimgroup.Service) {
	registerRegionIMGroupAdminGroup(engine.Group("/region/config"), javaClient, service)
	registerRegionIMGroupAdminGroup(engine.Group("/resident-activity/voice-room-red-packet"), javaClient, service)
	registerRegionBroadcastSimulationAdminGroup(engine.Group("/operate/region-broadcast"), javaClient, service)
}

func registerRegionIMGroupAdminGroup(group *gin.RouterGroup, javaClient authGateway, service *regionimgroup.Service) {
	group.Use(consoleAuthMiddleware(javaClient))
	group.GET("/im-groups", func(c *gin.Context) {
		resp, err := service.ListRegionIMGroups(c.Request.Context(), c.Query("sysOrigin"))
		if err != nil {
			writeError(c, err)
			return
		}
		writeOK(c, resp)
	})
	group.POST("/im-groups/save", func(c *gin.Context) {
		var req regionimgroup.RegionIMGroupRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			writeError(c, regionimgroup.NewAppError(http.StatusBadRequest, "bad_request", err.Error()))
			return
		}
		resp, err := service.SaveRegionIMGroup(c.Request.Context(), req)
		if err != nil {
			writeError(c, err)
			return
		}
		writeOK(c, resp)
	})
	group.POST("/im-groups/create", func(c *gin.Context) {
		var req regionimgroup.RegionIMGroupRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			writeError(c, regionimgroup.NewAppError(http.StatusBadRequest, "bad_request", err.Error()))
			return
		}
		resp, err := service.CreateRegionIMGroup(c.Request.Context(), req)
		if err != nil {
			writeError(c, err)
			return
		}
		writeOK(c, resp)
	})
}

func registerRegionBroadcastSimulationAdminGroup(group *gin.RouterGroup, javaClient authGateway, service *regionimgroup.Service) {
	group.Use(consoleAuthMiddleware(javaClient))
	group.POST("/simulate", func(c *gin.Context) {
		var req highwin.BroadcastSimulationRequest
		if err := c.ShouldBindJSON(&req); err != nil {
			writeError(c, regionimgroup.NewAppError(http.StatusBadRequest, "bad_request", err.Error()))
			return
		}
		resp, err := highwin.SendSimulationBroadcast(c.Request.Context(), service, req)
		if err != nil {
			writeError(c, err)
			return
		}
		writeOK(c, resp)
	})
}