package handler_test

import (
	"encoding/json"
	"fmt"
	"net/http"
	"testing"
)

func TestPermissionHandler_CreatePermission(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	if ok := registerUser(server.URL, "permuser", "permuser@test.com", "UserPass123!"); !ok {
		t.Fatal("register user failed")
	}
	userToken := getToken(server.URL, "permuser", "UserPass123!")
	if userToken == "" {
		t.Fatal("get user token failed")
	}

	tests := []struct {
		name       string
		payload    map[string]interface{}
		token      string
		wantStatus int
	}{
		{
			name: "success",
			payload: map[string]interface{}{
				"name": "Test Permission",
				"code": "test:permission:create",
				"type": 2,
			},
			token:      adminToken,
			wantStatus: http.StatusCreated,
		},
		{
			name: "unauthorized",
			payload: map[string]interface{}{
				"name": "Test Permission",
				"code": "test:permission:unauth",
				"type": 2,
			},
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
		{
			name: "forbidden",
			payload: map[string]interface{}{
				"name": "Test Permission",
				"code": "test:permission:forbid",
				"type": 2,
			},
			token:      userToken,
			wantStatus: http.StatusForbidden,
		},
		{
			name: "invalid_type",
			payload: map[string]interface{}{
				"name": "Test Permission",
				"code": "test:permission:badtype",
				"type": 5,
			},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:       "missing_required_fields",
			payload:    map[string]interface{}{"name": "Missing Code"},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doPost(server.URL+"/api/v1/permissions", tt.token, tt.payload)
			defer resp.Body.Close()
			if resp.StatusCode != tt.wantStatus {
				t.Errorf("expected status %d, got %d, body: %s", tt.wantStatus, resp.StatusCode, body)
			}
		})
	}
}

func TestPermissionHandler_ListPermissions(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	if ok := registerUser(server.URL, "permuser", "permuser@test.com", "UserPass123!"); !ok {
		t.Fatal("register user failed")
	}
	userToken := getToken(server.URL, "permuser", "UserPass123!")
	if userToken == "" {
		t.Fatal("get user token failed")
	}

	tests := []struct {
		name       string
		token      string
		wantStatus int
	}{
		{
			name:       "success_admin",
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:       "forbidden_regular_user",
			token:      userToken,
			wantStatus: http.StatusForbidden,
		},
		{
			name:       "unauthorized",
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doGet(server.URL+"/api/v1/permissions", tt.token)
			defer resp.Body.Close()
			if resp.StatusCode != tt.wantStatus {
				t.Errorf("expected status %d, got %d, body: %s", tt.wantStatus, resp.StatusCode, body)
			}
		})
	}
}

func TestPermissionHandler_GetPermission(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	// Create a permission to retrieve
	createResp, createBody := doPost(server.URL+"/api/v1/permissions", adminToken, map[string]interface{}{
		"name": "Get Permission Test",
		"code": "test:permission:get",
		"type": 2,
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create permission failed: %d %s", createResp.StatusCode, createBody)
	}
	var createResult map[string]interface{}
	if err := json.Unmarshal([]byte(createBody), &createResult); err != nil {
		t.Fatalf("parse create response failed: %v", err)
	}
	permData, ok := createResult["data"].(map[string]interface{})
	if !ok {
		t.Fatalf("expected data in create response, got %s", createBody)
	}
	permID := int64(permData["id"].(float64))

	tests := []struct {
		name       string
		permID     string
		token      string
		wantStatus int
	}{
		{
			name:       "success",
			permID:     fmt.Sprintf("%d", permID),
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:       "not_found",
			permID:     "99999",
			token:      adminToken,
			wantStatus: http.StatusNotFound,
		},
		{
			name:       "invalid_id",
			permID:     "invalid",
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:       "unauthorized",
			permID:     fmt.Sprintf("%d", permID),
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doGet(server.URL+"/api/v1/permissions/"+tt.permID, tt.token)
			defer resp.Body.Close()
			if resp.StatusCode != tt.wantStatus {
				t.Errorf("expected status %d, got %d, body: %s", tt.wantStatus, resp.StatusCode, body)
			}
		})
	}
}

func TestPermissionHandler_UpdatePermission(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	// Create a permission to update
	createResp, createBody := doPost(server.URL+"/api/v1/permissions", adminToken, map[string]interface{}{
		"name": "Update Permission Test",
		"code": "test:permission:update",
		"type": 2,
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create permission failed: %d %s", createResp.StatusCode, createBody)
	}
	var createResult map[string]interface{}
	if err := json.Unmarshal([]byte(createBody), &createResult); err != nil {
		t.Fatalf("parse create response failed: %v", err)
	}
	permData := createResult["data"].(map[string]interface{})
	permID := int64(permData["id"].(float64))

	tests := []struct {
		name       string
		permID     string
		payload    map[string]interface{}
		token      string
		wantStatus int
	}{
		{
			name:   "success",
			permID: fmt.Sprintf("%d", permID),
			payload: map[string]interface{}{
				"name": "Updated Permission Name",
			},
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:   "invalid_id",
			permID: "invalid",
			payload: map[string]interface{}{
				"name": "Updated Permission Name",
			},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:   "unauthorized",
			permID: fmt.Sprintf("%d", permID),
			payload: map[string]interface{}{
				"name": "Updated Permission Name",
			},
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doPut(server.URL+"/api/v1/permissions/"+tt.permID, tt.token, tt.payload)
			defer resp.Body.Close()
			if resp.StatusCode != tt.wantStatus {
				t.Errorf("expected status %d, got %d, body: %s", tt.wantStatus, resp.StatusCode, body)
			}
		})
	}
}

func TestPermissionHandler_DeletePermission(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	// Create a permission to delete
	createResp, createBody := doPost(server.URL+"/api/v1/permissions", adminToken, map[string]interface{}{
		"name": "Delete Permission Test",
		"code": "test:permission:delete",
		"type": 2,
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create permission failed: %d %s", createResp.StatusCode, createBody)
	}
	var createResult map[string]interface{}
	if err := json.Unmarshal([]byte(createBody), &createResult); err != nil {
		t.Fatalf("parse create response failed: %v", err)
	}
	permData := createResult["data"].(map[string]interface{})
	permID := int64(permData["id"].(float64))

	tests := []struct {
		name       string
		permID     string
		token      string
		wantStatus int
	}{
		{
			name:       "success",
			permID:     fmt.Sprintf("%d", permID),
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:       "invalid_id",
			permID:     "invalid",
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:       "unauthorized",
			permID:     fmt.Sprintf("%d", permID),
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doDelete(server.URL+"/api/v1/permissions/"+tt.permID, tt.token)
			defer resp.Body.Close()
			if resp.StatusCode != tt.wantStatus {
				t.Errorf("expected status %d, got %d, body: %s", tt.wantStatus, resp.StatusCode, body)
			}
		})
	}
}

func TestPermissionHandler_UpdatePermissionStatus(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	// Create a permission
	createResp, createBody := doPost(server.URL+"/api/v1/permissions", adminToken, map[string]interface{}{
		"name": "Status Permission Test",
		"code": "test:permission:status",
		"type": 2,
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create permission failed: %d %s", createResp.StatusCode, createBody)
	}
	var createResult map[string]interface{}
	if err := json.Unmarshal([]byte(createBody), &createResult); err != nil {
		t.Fatalf("parse create response failed: %v", err)
	}
	permData := createResult["data"].(map[string]interface{})
	permID := int64(permData["id"].(float64))

	tests := []struct {
		name       string
		permID     string
		payload    map[string]interface{}
		token      string
		wantStatus int
	}{
		{
			name:   "success_numeric",
			permID: fmt.Sprintf("%d", permID),
			payload: map[string]interface{}{
				"status": 0,
			},
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:   "invalid_id",
			permID: "invalid",
			payload: map[string]interface{}{
				"status": 0,
			},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:   "unauthorized",
			permID: fmt.Sprintf("%d", permID),
			payload: map[string]interface{}{
				"status": 0,
			},
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doPut(server.URL+"/api/v1/permissions/"+tt.permID+"/status", tt.token, tt.payload)
			defer resp.Body.Close()
			if resp.StatusCode != tt.wantStatus {
				t.Errorf("expected status %d, got %d, body: %s", tt.wantStatus, resp.StatusCode, body)
			}
		})
	}
}

func TestPermissionHandler_GetPermissionTree(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

	t.Setenv("BOOTSTRAP_SECRET", "perm-bootstrap-secret")
	adminToken := bootstrapAdmin(server.URL, "perm-bootstrap-secret", "permadmin", "permadmin@test.com", "AdminPass123!")
	if adminToken == "" {
		t.Fatal("bootstrap admin failed")
	}

	resp, body := doGet(server.URL+"/api/v1/permissions/tree", adminToken)
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		t.Fatalf("expected status %d, got %d, body: %s", http.StatusOK, resp.StatusCode, body)
	}

	var result map[string]interface{}
	if err := json.Unmarshal([]byte(body), &result); err != nil {
		t.Fatalf("parse response failed: %v", err)
	}
	if result["code"] != float64(0) {
		t.Errorf("expected code 0, got %v", result["code"])
	}
	if result["data"] == nil {
		t.Errorf("expected data in response")
	}
}