package handlers

import (
	"net/http"
	"strings"
)

// APIRouter routes /map/api/* requests to the appropriate handler.
func (h *Handlers) APIRouter(rw http.ResponseWriter, req *http.Request) {
	path := strings.TrimPrefix(req.URL.Path, "/map/api")
	path = strings.TrimPrefix(path, "/")

	switch path {
	case "config":
		h.APIConfig(rw, req)
		return
	case "v1/characters":
		h.APIGetChars(rw, req)
		return
	case "v1/markers":
		h.APIGetMarkers(rw, req)
		return
	case "maps":
		h.APIGetMaps(rw, req)
		return
	case "setup":
		h.APISetup(rw, req)
		return
	case "login":
		h.APILogin(rw, req)
		return
	case "logout":
		h.APILogout(rw, req)
		return
	case "me":
		switch req.Method {
		case http.MethodGet:
			h.APIMe(rw, req)
		case http.MethodPatch:
			h.APIMeUpdate(rw, req)
		default:
			JSONError(rw, http.StatusMethodNotAllowed, "method not allowed", "METHOD_NOT_ALLOWED")
		}
		return
	case "me/tokens":
		h.APIMeTokens(rw, req)
		return
	case "me/password":
		h.APIMePassword(rw, req)
		return
	}

	switch {
	case path == "oauth/providers":
		h.APIOAuthProviders(rw, req)
		return
	case strings.HasPrefix(path, "oauth/"):
		rest := strings.TrimPrefix(path, "oauth/")
		parts := strings.SplitN(rest, "/", 2)
		if len(parts) != 2 {
			JSONError(rw, http.StatusNotFound, "not found", "NOT_FOUND")
			return
		}
		provider := parts[0]
		action := parts[1]
		switch action {
		case "login":
			h.APIOAuthLogin(rw, req, provider)
		case "callback":
			h.APIOAuthCallback(rw, req, provider)
		default:
			JSONError(rw, http.StatusNotFound, "not found", "NOT_FOUND")
		}
		return
	case strings.HasPrefix(path, "admin/"):
		adminPath := strings.TrimPrefix(path, "admin/")
		h.APIAdminRoute(rw, req, adminPath)
		return
	}

	JSONError(rw, http.StatusNotFound, "not found", "NOT_FOUND")
}