package api

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

	"codespace/internal/service"

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

// NewRouter builds a Gin engine with all API routes registered.
func NewRouter(workspaces *service.WorkspaceService, files *service.FileService, processes *service.ProcessService, shells *service.ShellService, acpSvc *service.AcpService, lg *slog.Logger, ginMode string) *gin.Engine {
	gin.SetMode(ginMode)
	r := gin.New()
	r.Use(gin.Recovery())
	r.Use(requestLogger(lg))

	wsHandler := &workspaceHandler{svc: workspaces}
	fileHandler := &fileHandler{svc: files}
	procHandler := &processHandler{svc: processes}
	shellHandler := &shellHandler{svc: shells}
	acpHandler := &acpHandler{svc: acpSvc}

	r.GET("/healthz", healthHandler)

	api := r.Group("/api")
	api.GET("/workspaces", wsHandler.list)
	api.POST("/workspaces", wsHandler.create)
	api.GET("/workspaces/:id", wsHandler.get)
	api.DELETE("/workspaces/:id", wsHandler.delete)

	api.GET("/workspaces/:id/files", fileHandler.list)
	api.GET("/workspaces/:id/files/read", fileHandler.read)
	api.GET("/workspaces/:id/files/stat", fileHandler.stat)
	api.PUT("/workspaces/:id/files/write", fileHandler.write)
	api.POST("/workspaces/:id/files/mkdir", fileHandler.mkdir)
	api.DELETE("/workspaces/:id/files", fileHandler.remove)
	api.POST("/workspaces/:id/files/rename", fileHandler.rename)

	api.POST("/workspaces/:id/process/start", procHandler.start)
	api.POST("/workspaces/:id/process/stop", procHandler.stop)
	api.POST("/workspaces/:id/process/restart", procHandler.restart)
	api.GET("/workspaces/:id/process/status", procHandler.status)
	api.GET("/workspaces/:id/process/ws", procHandler.ws)

	api.POST("/workspaces/:id/shell/start", shellHandler.start)
	api.POST("/workspaces/:id/shell/stop", shellHandler.stop)
	api.POST("/workspaces/:id/shell/restart", shellHandler.restart)
	api.GET("/workspaces/:id/shell", shellHandler.list)
	api.GET("/workspaces/:id/shell/status", shellHandler.status)
	api.GET("/workspaces/:id/shell/ws", shellHandler.ws)
	api.POST("/workspaces/:id/shell/resize", shellHandler.resize)
	api.GET("/workspaces/:id/acp/status", acpHandler.status)
	api.GET("/workspaces/:id/acp/history", acpHandler.history)
	api.POST("/workspaces/:id/acp/prompt", acpHandler.prompt)
	api.POST("/workspaces/:id/acp/cancel", acpHandler.cancel)
	api.GET("/workspaces/:id/acp/stream", acpHandler.stream)

	return r
}

func healthHandler(c *gin.Context) {
	c.JSON(http.StatusOK, gin.H{"status": "ok"})
}