package handler_test

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

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

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

	if ok := registerUser(server.URL, "roleuser", "roleuser@test.com", "UserPass123!"); !ok {
		t.Fatal("register user failed")
	}
	userToken := getToken(server.URL, "roleuser", "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 Role",
				"code": "test_role_create",
			},
			token:      adminToken,
			wantStatus: http.StatusCreated,
		},
		{
			name: "unauthorized",
			payload: map[string]interface{}{
				"name": "Test Role Unauth",
				"code": "test_role_unauth",
			},
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
		{
			name: "forbidden",
			payload: map[string]interface{}{
				"name": "Test Role Forbidden",
				"code": "test_role_forbidden",
			},
			token:      userToken,
			wantStatus: http.StatusForbidden,
		},
		{
			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/roles", 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 TestRoleHandler_ListRoles(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

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

	if ok := registerUser(server.URL, "roleuser", "roleuser@test.com", "UserPass123!"); !ok {
		t.Fatal("register user failed")
	}
	userToken := getToken(server.URL, "roleuser", "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/roles", 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 TestRoleHandler_GetRole(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

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

	// Create a role to retrieve
	createResp, createBody := doPost(server.URL+"/api/v1/roles", adminToken, map[string]interface{}{
		"name": "Get Role Test",
		"code": "test_role_get",
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create role 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)
	}
	roleData := createResult["data"].(map[string]interface{})
	roleID := int64(roleData["id"].(float64))

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

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doGet(server.URL+"/api/v1/roles/"+tt.roleID, 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 TestRoleHandler_UpdateRole(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

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

	// Create a role to update
	createResp, createBody := doPost(server.URL+"/api/v1/roles", adminToken, map[string]interface{}{
		"name": "Update Role Test",
		"code": "test_role_update",
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create role 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)
	}
	roleData := createResult["data"].(map[string]interface{})
	roleID := int64(roleData["id"].(float64))

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

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doPut(server.URL+"/api/v1/roles/"+tt.roleID, 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 TestRoleHandler_DeleteRole(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

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

	// Create a role to delete
	createResp, createBody := doPost(server.URL+"/api/v1/roles", adminToken, map[string]interface{}{
		"name": "Delete Role Test",
		"code": "test_role_delete",
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create role 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)
	}
	roleData := createResult["data"].(map[string]interface{})
	roleID := int64(roleData["id"].(float64))

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

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doDelete(server.URL+"/api/v1/roles/"+tt.roleID, 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 TestRoleHandler_UpdateRoleStatus(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

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

	// Create a role
	createResp, createBody := doPost(server.URL+"/api/v1/roles", adminToken, map[string]interface{}{
		"name": "Status Role Test",
		"code": "test_role_status",
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create role 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)
	}
	roleData := createResult["data"].(map[string]interface{})
	roleID := int64(roleData["id"].(float64))

	tests := []struct {
		name       string
		roleID     string
		payload    map[string]interface{}
		token      string
		wantStatus int
	}{
		{
			name:   "success_disabled",
			roleID: fmt.Sprintf("%d", roleID),
			payload: map[string]interface{}{
				"status": "disabled",
			},
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:   "success_enabled",
			roleID: fmt.Sprintf("%d", roleID),
			payload: map[string]interface{}{
				"status": "enabled",
			},
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:   "invalid_status",
			roleID: fmt.Sprintf("%d", roleID),
			payload: map[string]interface{}{
				"status": "invalid_status",
			},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:   "invalid_id",
			roleID: "invalid",
			payload: map[string]interface{}{
				"status": "disabled",
			},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:   "unauthorized",
			roleID: fmt.Sprintf("%d", roleID),
			payload: map[string]interface{}{
				"status": "disabled",
			},
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doPut(server.URL+"/api/v1/roles/"+tt.roleID+"/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 TestRoleHandler_GetRolePermissions(t *testing.T) {
	server, cleanup := setupHandlerTestServer(t)
	defer cleanup()

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

	// Use the admin role (id=1) for testing
	resp, body := doGet(server.URL+"/api/v1/roles/1/permissions", 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")
	}
}

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

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

	// Create a role
	createResp, createBody := doPost(server.URL+"/api/v1/roles", adminToken, map[string]interface{}{
		"name": "Assign Perm Role Test",
		"code": "test_role_assign_perm",
	})
	defer createResp.Body.Close()
	if createResp.StatusCode != http.StatusCreated {
		t.Fatalf("create role 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)
	}
	roleData := createResult["data"].(map[string]interface{})
	roleID := int64(roleData["id"].(float64))

	tests := []struct {
		name       string
		roleID     string
		payload    map[string]interface{}
		token      string
		wantStatus int
	}{
		{
			name:   "success",
			roleID: fmt.Sprintf("%d", roleID),
			payload: map[string]interface{}{
				"permission_ids": []int64{1, 2},
			},
			token:      adminToken,
			wantStatus: http.StatusOK,
		},
		{
			name:   "invalid_id",
			roleID: "invalid",
			payload: map[string]interface{}{
				"permission_ids": []int64{1},
			},
			token:      adminToken,
			wantStatus: http.StatusBadRequest,
		},
		{
			name:   "unauthorized",
			roleID: fmt.Sprintf("%d", roleID),
			payload: map[string]interface{}{
				"permission_ids": []int64{1},
			},
			token:      "",
			wantStatus: http.StatusUnauthorized,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			resp, body := doPut(server.URL+"/api/v1/roles/"+tt.roleID+"/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)
			}
		})
	}
}