package middleware

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"veza-backend-api/internal/models"
	"veza-backend-api/internal/services"

	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	"github.com/lib/pq"
	"go.uber.org/zap"
)

func TestRequireAPIKeyScope_PassthroughWithoutAPIKey(t *testing.T) {
	svc := services.NewAPIKeyService(nil, zap.NewNop())

	router := gin.New()
	router.Use(RequireAPIKeyScope(svc))
	router.GET("/test", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"ok": true})
	})

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/test", nil)
	router.ServeHTTP(w, req)

	if w.Code != http.StatusOK {
		t.Errorf("expected 200, got %d", w.Code)
	}
}

func TestRequireAPIKeyScope_AllowsReadScopeOnGET(t *testing.T) {
	svc := services.NewAPIKeyService(nil, zap.NewNop())

	apiKey := &models.APIKey{
		ID:     uuid.New(),
		UserID: uuid.New(),
		Name:   "test",
		Scopes: pq.StringArray{"read"},
	}

	router := gin.New()
	router.Use(func(c *gin.Context) {
		c.Set("api_key", apiKey)
		c.Next()
	})
	router.Use(RequireAPIKeyScope(svc))
	router.GET("/test", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"ok": true})
	})

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/test", nil)
	router.ServeHTTP(w, req)

	if w.Code != http.StatusOK {
		t.Errorf("expected 200, got %d", w.Code)
	}
}

func TestRequireAPIKeyScope_DeniesWriteWithReadOnlyScope(t *testing.T) {
	svc := services.NewAPIKeyService(nil, zap.NewNop())

	apiKey := &models.APIKey{
		ID:     uuid.New(),
		UserID: uuid.New(),
		Name:   "test",
		Scopes: pq.StringArray{"read"},
	}

	router := gin.New()
	router.Use(func(c *gin.Context) {
		c.Set("api_key", apiKey)
		c.Next()
	})
	router.Use(RequireAPIKeyScope(svc))
	router.POST("/test", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"ok": true})
	})

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("POST", "/test", nil)
	router.ServeHTTP(w, req)

	if w.Code != http.StatusForbidden {
		t.Errorf("expected 403, got %d", w.Code)
	}
}

func TestRequireAPIKeyScope_AllowsWriteWithWriteScope(t *testing.T) {
	svc := services.NewAPIKeyService(nil, zap.NewNop())

	apiKey := &models.APIKey{
		ID:     uuid.New(),
		UserID: uuid.New(),
		Name:   "test",
		Scopes: pq.StringArray{"read", "write"},
	}

	router := gin.New()
	router.Use(func(c *gin.Context) {
		c.Set("api_key", apiKey)
		c.Next()
	})
	router.Use(RequireAPIKeyScope(svc))
	router.POST("/test", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"ok": true})
	})

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("POST", "/test", nil)
	router.ServeHTTP(w, req)

	if w.Code != http.StatusOK {
		t.Errorf("expected 200, got %d", w.Code)
	}
}

func TestRequireAPIKeyScope_AdminScopeAllowsAll(t *testing.T) {
	svc := services.NewAPIKeyService(nil, zap.NewNop())

	apiKey := &models.APIKey{
		ID:     uuid.New(),
		UserID: uuid.New(),
		Name:   "test",
		Scopes: pq.StringArray{"admin"},
	}

	router := gin.New()
	router.Use(func(c *gin.Context) {
		c.Set("api_key", apiKey)
		c.Next()
	})
	router.Use(RequireAPIKeyScope(svc))
	router.DELETE("/test", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"ok": true})
	})

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("DELETE", "/test", nil)
	router.ServeHTTP(w, req)

	if w.Code != http.StatusOK {
		t.Errorf("expected 200, got %d (admin should have write access)", w.Code)
	}
}