package pub

import (
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"perms-system-server/internal/response"
	"perms-system-server/internal/svc"
	"perms-system-server/internal/testutil"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

// TC-0800: handler 薄层契约 —— RefreshTokenHandler 在 Authorization header 缺失时,
// 必须把错误透传成 401 "未登录" / 或等价业务错误 (绝不能 200 或 5xx)。
// 同时不应把内部实现细节泄露到 Msg 里。
func TestRefreshTokenHandler_MissingAuthorizationHeader(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	handler := RefreshTokenHandler(svcCtx)

	req := httptest.NewRequest(http.MethodPost, "/api/auth/refreshToken", strings.NewReader("{}"))
	req.Header.Set("Content-Type", "application/json")
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)

	var body response.Body
	require.NoError(t, json.Unmarshal(rr.Body.Bytes(), &body))
	assert.NotEqual(t, 200, body.ErrorCode, "缺 Authorization 必须报错而非 200")
	assert.True(t, body.ErrorCode == 401 || body.ErrorCode == 400,
		"缺 Authorization 必须是 401/400; 实际 code=%d msg=%q", body.ErrorCode, body.ErrorMessage)
	assert.NotContains(t, strings.ToLower(body.ErrorMessage), "sql", "错误文案不得泄露 SQL 实现细节")
	assert.NotContains(t, strings.ToLower(body.ErrorMessage), "redis", "错误文案不得泄露 Redis 实现细节")
}

// TC-0801: handler 薄层契约 —— RefreshTokenHandler 在 Authorization 带非法值时 401, 且不 panic。
func TestRefreshTokenHandler_GarbageBearerToken(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	handler := RefreshTokenHandler(svcCtx)

	req := httptest.NewRequest(http.MethodPost, "/api/auth/refreshToken", strings.NewReader("{}"))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Authorization", "Bearer garbage.token.value")
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)

	var body response.Body
	require.NoError(t, json.Unmarshal(rr.Body.Bytes(), &body))
	assert.False(t, body.Success)
	assert.Equal(t, 401, body.ErrorCode,
		"非法 refresh token 必须 401, 而不是 500 panic 或 200; 实际 code=%d msg=%q", body.ErrorCode, body.ErrorMessage)
}