// Package router configures the chi router with all routes, middleware,
// and handler wiring for the Control Center API.
package router

import (
	"net/http"
	"time"

	"code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend/internal/handler"
	"github.com/go-chi/chi/v5"
	"github.com/go-chi/chi/v5/middleware"
	"github.com/go-chi/cors"
)

// New creates a fully-configured chi router with all API routes mounted.
func New(h *handler.Handler) *chi.Mux {
	r := chi.NewRouter()

	// ── Global middleware ──────────────────────────────────────────────────
	r.Use(middleware.RequestID)
	r.Use(middleware.RealIP)
	r.Use(middleware.Logger)
	r.Use(middleware.Recoverer)
	r.Use(middleware.Timeout(30 * time.Second))

	// ── CORS — permissive for development ──────────────────────────────────
	r.Use(cors.Handler(cors.Options{
		AllowedOrigins:   []string{"*"},
		AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
		AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type"},
		ExposedHeaders:   []string{"Link", "X-Total-Count"},
		AllowCredentials: false,
		MaxAge:           300,
	}))

	// ── Health check ───────────────────────────────────────────────────────
	r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		w.Write([]byte(`{"status":"ok"}`))
	})

	// ── API v1 routes ──────────────────────────────────────────────────────
	r.Route("/api", func(api chi.Router) {
		// Agents CRUD
		api.Route("/agents", func(agents chi.Router) {
			agents.Get("/", h.ListAgents)       // GET /api/agents
			agents.Post("/", h.CreateAgent)      // POST /api/agents
			agents.Get("/{id}", h.GetAgent)       // GET /api/agents/{id}
			agents.Put("/{id}", h.UpdateAgent)    // PUT /api/agents/{id}
			agents.Delete("/{id}", h.DeleteAgent) // DELETE /api/agents/{id}
			agents.Get("/{id}/history", h.AgentHistory) // GET /api/agents/{id}/history
		})

		// Sessions
		api.Get("/sessions", h.ListSessions)

		// Tasks
		api.Get("/tasks", h.ListTasks)

		// Projects
		api.Get("/projects", h.ListProjects)
	})

	return r
}