package router

import (
	"github.com/apex/log"
	"github.com/gin-gonic/gin"
)

// Configures the routing infrastructure for this daemon instance.
func Configure() *gin.Engine {
	gin.SetMode("release")

	m := Middleware{}
	router := gin.New()
	router.Use(gin.Recovery(), m.ErrorHandler(), m.SetAccessControlHeaders())
	// @todo log this into a different file so you can setup IP blocking for abusive requests and such.
	// This should still dump requests in debug mode since it does help with understanding the request
	// lifecycle and quickly seeing what was called leading to the logs. However, it isn't feasible to mix
	// this output in production and still get meaningful logs from it since they'll likely just be a huge
	// spamfest.
	router.Use(gin.LoggerWithFormatter(func(params gin.LogFormatterParams) string {
		log.WithFields(log.Fields{
			"client_ip": params.ClientIP,
			"status":    params.StatusCode,
			"latency":   params.Latency,
		}).Debugf("%s %s", params.MethodColor()+params.Method+params.ResetColor(), params.Path)

		return ""
	}))

	router.OPTIONS("/api/system", func(c *gin.Context) {
		c.Status(200)
	})

	// These routes use signed URLs to validate access to the resource being requested.
	router.GET("/download/backup", getDownloadBackup)
	router.GET("/download/file", getDownloadFile)
	router.POST("/upload/file", postServerUploadFiles)

	// This route is special it sits above all of the other requests because we are
	// using a JWT to authorize access to it, therefore it needs to be publicly
	// accessible.
	router.GET("/api/servers/:server/ws", m.ServerExists(), getServerWebsocket)

	// This request is called by another daemon when a server is going to be transferred out.
	// This request does not need the AuthorizationMiddleware as the panel should never call it
	// and requests are authenticated through a JWT the panel issues to the other daemon.
	router.GET("/api/servers/:server/archive", m.ServerExists(), getServerArchive)

	// All of the routes beyond this mount will use an authorization middleware
	// and will not be accessible without the correct Authorization header provided.
	protected := router.Use(m.RequireAuthorization())
	protected.POST("/api/update", postUpdateConfiguration)
	protected.GET("/api/system", getSystemInformation)
	protected.GET("/api/servers", getAllServers)
	protected.POST("/api/servers", postCreateServer)
	protected.POST("/api/transfer", postTransfer)

	// These are server specific routes, and require that the request be authorized, and
	// that the server exist on the Daemon.
	server := router.Group("/api/servers/:server")
	server.Use(m.RequireAuthorization(), m.ServerExists())
	{
		server.GET("", getServer)
		server.PATCH("", patchServer)
		server.DELETE("", deleteServer)

		server.GET("/logs", getServerLogs)
		server.POST("/power", postServerPower)
		server.POST("/commands", postServerCommands)
		server.POST("/install", postServerInstall)
		server.POST("/reinstall", postServerReinstall)
		server.POST("/ws/deny", postServerDenyWSTokens)

		// This archive request causes the archive to start being created
		// this should only be triggered by the panel.
		server.POST("/archive", postServerArchive)

		files := server.Group("/files")
		{
			files.GET("/contents", getServerFileContents)
			files.GET("/list-directory", getServerListDirectory)
			files.PUT("/rename", putServerRenameFiles)
			files.POST("/copy", postServerCopyFile)
			files.POST("/write", postServerWriteFile)
			files.POST("/pull", postServerPullRemoteFile)
			files.DELETE("/pull/:download", deleteServerPullRemoteFile)
			files.POST("/create-directory", postServerCreateDirectory)
			files.POST("/delete", postServerDeleteFiles)
			files.POST("/compress", postServerCompressFiles)
			files.POST("/decompress", postServerDecompressFiles)
			files.POST("/chmod", postServerChmodFile)
		}

		backup := server.Group("/backup")
		{
			backup.POST("", postServerBackup)
			backup.DELETE("/:backup", deleteServerBackup)
		}
	}

	return router
}