package internalhttp

import (
	"log/slog"
	"net/http"

	"galaxy/lobby/internal/service/pausegame"
	"galaxy/lobby/internal/service/resumegame"
	"galaxy/lobby/internal/service/shared"
)

const (
	pauseGamePath  = "/api/v1/lobby/games/{game_id}/pause"
	resumeGamePath = "/api/v1/lobby/games/{game_id}/resume"
)

// registerPauseResumeRoutes binds the admin pause and resume
// routes on the internal port. The actor is always admin (Admin
// Service is the trusted caller).
func registerPauseResumeRoutes(mux *http.ServeMux, deps Dependencies, logger *slog.Logger) {
	h := &pauseResumeHandlers{
		deps:   deps,
		logger: logger.With("component", "internal_http.pauseresume"),
	}
	mux.HandleFunc("POST "+pauseGamePath, h.handlePause)
	mux.HandleFunc("POST "+resumeGamePath, h.handleResume)
}

type pauseResumeHandlers struct {
	deps   Dependencies
	logger *slog.Logger
}

func (h *pauseResumeHandlers) handlePause(writer http.ResponseWriter, request *http.Request) {
	if h.deps.PauseGame == nil {
		writeError(writer, http.StatusInternalServerError, "internal_error", "pause game service is not wired")
		return
	}

	games := &gameHandlers{deps: h.deps, logger: h.logger}
	gameID, ok := games.extractGameID(writer, request)
	if !ok {
		return
	}

	record, err := h.deps.PauseGame.Handle(request.Context(), pausegame.Input{
		Actor:  shared.NewAdminActor(),
		GameID: gameID,
	})
	if err != nil {
		writeErrorFromService(writer, h.logger, err)
		return
	}

	writeJSON(writer, http.StatusOK, encodeGameRecord(record))
}

func (h *pauseResumeHandlers) handleResume(writer http.ResponseWriter, request *http.Request) {
	if h.deps.ResumeGame == nil {
		writeError(writer, http.StatusInternalServerError, "internal_error", "resume game service is not wired")
		return
	}

	games := &gameHandlers{deps: h.deps, logger: h.logger}
	gameID, ok := games.extractGameID(writer, request)
	if !ok {
		return
	}

	record, err := h.deps.ResumeGame.Handle(request.Context(), resumegame.Input{
		Actor:  shared.NewAdminActor(),
		GameID: gameID,
	})
	if err != nil {
		writeErrorFromService(writer, h.logger, err)
		return
	}

	writeJSON(writer, http.StatusOK, encodeGameRecord(record))
}