// Package router assemble les routes de l'API Omnex.
package router

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"github.com/omnex/control-plane/api/internal/auth"
	"github.com/omnex/control-plane/api/internal/config"
	"github.com/omnex/control-plane/api/internal/demos"
	"github.com/omnex/control-plane/api/internal/httpx"
	"github.com/omnex/control-plane/api/internal/leads"
	"github.com/omnex/control-plane/api/internal/profile"
	"github.com/omnex/control-plane/api/internal/sav"
	"github.com/omnex/control-plane/api/internal/session"
	"github.com/omnex/control-plane/api/internal/sub"
)

// Deps : dépendances injectées (facilite les tests).
type Deps struct {
	Cfg      config.Config
	Issuer   *auth.Issuer
	Sessions session.Manager
	AuthH    *auth.Handler
	LeadsH   *leads.Handler
	DemosH   *demos.Handler
	SubH     *sub.Handler
	ContactH *sav.Handler
	ProfileH *profile.Handler
}

// New construit l'engine Gin avec toute la chaîne de sécurité.
func New(d Deps) *gin.Engine {
	if d.Cfg.Env == "prod" {
		gin.SetMode(gin.ReleaseMode)
	}
	r := gin.New()
	r.Use(gin.Recovery())
	r.Use(httpx.SecurityHeaders())
	r.Use(httpx.CORS(d.Cfg.AllowedOrigins))

	r.GET("/healthz", func(c *gin.Context) { c.JSON(http.StatusOK, gin.H{"status": "ok"}) })

	api := r.Group("/api/v1")

	// Public : login, inscription + formulaire de contact, rate-limités.
	api.POST("/auth/login", httpx.RateLimit(1, 5), d.AuthH.Login)
	api.POST("/auth/register", httpx.RateLimit(0.2, 3), d.AuthH.Register)
	api.POST("/leads", httpx.RateLimit(1, 3), d.LeadsH.Create)
	api.POST("/send/message", httpx.RateLimit(1, 3), d.ContactH.CallSupport)
	// Toute route authentifiée (session valide, n'importe quel rôle).
	authed := api.Group("")
	authed.Use(auth.RequireAuth(d.Issuer, d.Sessions))
	{
		authed.POST("/auth/logout", d.AuthH.Logout)
		authed.GET("/auth/me", d.AuthH.Me)
	}

	client := authed.Group("")
	client.Use(auth.RequireRole(auth.RoleClient))
	{
		client.GET("/leads", d.LeadsH.List)
		client.PATCH("/leads/:id/status", d.LeadsH.SetStatus)
		client.POST("/subscription", d.SubH.AddCode)
		client.POST("/profile/username", d.ProfileH.UpdateUsernameById)
	}

	// Espace admin : provisioning des démos (admin uniquement).
	admin := authed.Group("")
	admin.Use(auth.RequireRole(auth.RoleAdmin))
	{
		admin.GET("/codes", d.SubH.ListCodes)
		admin.POST("/codes", d.SubH.CreateCodeForBuy)
		admin.GET("/messages", d.ContactH.GetMessage)
		if d.DemosH != nil {
			admin.POST("/demos", d.DemosH.Create)
			admin.GET("/demos", d.DemosH.List)
			admin.GET("/demos/:id", d.DemosH.Get)
			admin.DELETE("/demos/:id", d.DemosH.Delete)
			admin.POST("/demos/:id/extend", d.DemosH.Extend)
			admin.POST("/demos/details", d.DemosH.ListDetails)
		}
	}

	return r
}