package handler

import (
	"baron-sso-backend/internal/domain"
	"baron-sso-backend/internal/service"
	"bytes"
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gofiber/fiber/v2"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
)

type devMockRPUserMetadataRepo struct {
	mock.Mock
}

func (m *devMockRPUserMetadataRepo) Get(ctx context.Context, clientID, userID string) (*domain.RPUserMetadata, error) {
	args := m.Called(ctx, clientID, userID)
	if args.Get(0) == nil {
		return nil, args.Error(1)
	}
	return args.Get(0).(*domain.RPUserMetadata), args.Error(1)
}

func (m *devMockRPUserMetadataRepo) Upsert(ctx context.Context, metadata *domain.RPUserMetadata) error {
	args := m.Called(ctx, metadata)
	return args.Error(0)
}

func TestDevHandler_RPUserMetadataRoundTrip(t *testing.T) {
	transport := roundTripFunc(func(r *http.Request) (*http.Response, error) {
		if r.URL.Path == "/clients/client-1" {
			return httpJSONAny(r, http.StatusOK, map[string]any{
				"client_id":   "client-1",
				"client_name": "Client One",
				"metadata": map[string]any{
					"tenant_id": "tenant-1",
				},
			}), nil
		}
		return httpJSONAny(r, http.StatusNotFound, nil), nil
	})

	repo := new(devMockRPUserMetadataRepo)
	repo.On("Upsert", mock.Anything, mock.MatchedBy(func(row *domain.RPUserMetadata) bool {
		return row.ClientID == "client-1" &&
			row.UserID == "user-1" &&
			row.Metadata["approvalLevel"] == "A"
	})).Return(nil).Once()
	repo.On("Get", mock.Anything, "client-1", "user-1").Return(&domain.RPUserMetadata{
		ClientID: "client-1",
		UserID:   "user-1",
		Metadata: domain.JSONMap{"approvalLevel": "A"},
	}, nil).Once()

	h := &DevHandler{
		Hydra: &service.HydraAdminService{
			AdminURL:   "http://hydra.test",
			HTTPClient: &http.Client{Transport: transport},
		},
		RPUserMetadataRepo: repo,
	}
	app := fiber.New()
	app.Use(func(c *fiber.Ctx) error {
		c.Locals("user_profile", &domain.UserProfileResponse{ID: "admin", Role: domain.RoleSuperAdmin})
		return c.Next()
	})
	app.Put("/api/v1/dev/clients/:id/users/:userId/metadata", h.UpsertRPUserMetadata)
	app.Get("/api/v1/dev/clients/:id/users/:userId/metadata", h.GetRPUserMetadata)

	body, _ := json.Marshal(map[string]any{
		"metadata": map[string]any{"approvalLevel": "A"},
	})
	putReq := httptest.NewRequest(http.MethodPut, "/api/v1/dev/clients/client-1/users/user-1/metadata", bytes.NewReader(body))
	putReq.Header.Set("Content-Type", "application/json")
	putResp, _ := app.Test(putReq, -1)
	assert.Equal(t, http.StatusOK, putResp.StatusCode)

	getReq := httptest.NewRequest(http.MethodGet, "/api/v1/dev/clients/client-1/users/user-1/metadata", nil)
	getResp, _ := app.Test(getReq, -1)
	assert.Equal(t, http.StatusOK, getResp.StatusCode)

	var got map[string]any
	assert.NoError(t, json.NewDecoder(getResp.Body).Decode(&got))
	assert.Equal(t, "client-1", got["clientId"])
	assert.Equal(t, "user-1", got["userId"])
	assert.Equal(t, "A", got["metadata"].(map[string]any)["approvalLevel"])
	repo.AssertExpectations(t)
}