package portal

import (
	"context"
	"database/sql"
	"encoding/json"
	"errors"
	"strings"
	"testing"

	"git.118im.com/im_team/olons_server/internal/accounts"
	"git.118im.com/im_team/olons_server/internal/store"
)

type fakeRepository struct {
	config     json.RawMessage
	banners    []store.Banner
	content    *store.Content
	levels     []store.MemberLevel
	notices    []store.MemberNotice
	summary    *store.TaskSummary
	leaders    []store.LeaderboardMember
	services   []store.CustomerService
	noticePage *store.MemberNoticePage
}

func (r fakeRepository) CurrentSiteConfig(context.Context, int64) (json.RawMessage, error) {
	return r.config, nil
}
func (r fakeRepository) ActiveBanners(context.Context, int64, string) ([]store.Banner, error) {
	return r.banners, nil
}
func (r fakeRepository) PublishedContent(context.Context, int64, string) (*store.Content, error) {
	if r.content == nil {
		return nil, store.ErrResourceNotFound
	}
	return r.content, nil
}
func (r fakeRepository) ActiveMemberLevels(context.Context, int64) ([]store.MemberLevel, error) {
	return r.levels, nil
}
func (r fakeRepository) ActiveMemberNotices(context.Context, int64, int64, int) ([]store.MemberNotice, error) {
	return r.notices, nil
}
func (r fakeRepository) LatestPopupNotice(context.Context, int64, int64) (*store.MemberNotice, error) {
	if len(r.notices) == 0 {
		return nil, nil
	}
	return &r.notices[0], nil
}
func (r fakeRepository) MarkMemberNoticeRead(context.Context, int64, int64, int64) error {
	return nil
}
func (r fakeRepository) MemberNotices(context.Context, int64, int64, int, int) (*store.MemberNoticePage, error) {
	if r.noticePage == nil {
		return &store.MemberNoticePage{Items: []store.MemberNotice{}}, nil
	}
	return r.noticePage, nil
}
func (r fakeRepository) MemberTaskSummary(context.Context, int64, int64) (*store.TaskSummary, error) {
	return r.summary, nil
}
func (r fakeRepository) TaskLeaderboard(context.Context, int64, int) ([]store.LeaderboardMember, error) {
	return r.leaders, nil
}
func (r fakeRepository) ActiveCustomerServices(context.Context, int64) ([]store.CustomerService, error) {
	return r.services, nil
}

func TestParseFeaturesSupportsNestedAndLegacyKeys(t *testing.T) {
	features := parseFeatures(json.RawMessage(`{
		"features":{"task_enabled":true,"rechargeEnabled":1},
		"WITHDRAWAL":"on","SHOP_STATUS":"false"
	}`))
	if !features.TaskEnabled || !features.RechargeEnabled || !features.WithdrawalEnabled || features.ManualMallEnabled {
		t.Fatalf("unexpected features: %+v", features)
	}
}

func TestParseFeaturesDefaultsMissingSwitchesToEnabled(t *testing.T) {
	features := parseFeatures(json.RawMessage(`{}`))
	if !features.TaskEnabled || !features.RechargeEnabled || !features.WithdrawalEnabled || !features.ManualMallEnabled {
		t.Fatalf("missing switches should default to enabled: %+v", features)
	}

	features = parseFeatures(json.RawMessage(`{"features":{"task_enabled":false,"withdrawal_enabled":false}}`))
	if features.TaskEnabled || features.WithdrawalEnabled || !features.RechargeEnabled || !features.ManualMallEnabled {
		t.Fatalf("explicitly disabled switches must remain disabled: %+v", features)
	}
}

func TestBannersSanitizeTargets(t *testing.T) {
	service := New(fakeRepository{banners: []store.Banner{
		{ID: 1, TargetType: 2, TargetValue: "/receive"},
		{ID: 2, TargetType: 2, TargetValue: "//evil.example"},
		{ID: 3, TargetType: 3, TargetValue: "https://example.com/path"},
		{ID: 4, TargetType: 3, TargetValue: "javascript:alert(1)"},
	}})
	items, err := service.Banners(context.Background(), 0, "home_top")
	if err != nil {
		t.Fatal(err)
	}
	wantTypes := []string{"internal_route", "none", "external_url", "none"}
	for i, want := range wantTypes {
		if items[i].TargetType != want {
			t.Errorf("item %d target type = %q, want %q", i, items[i].TargetType, want)
		}
	}
}

func TestBannersRejectInvalidPosition(t *testing.T) {
	service := New(fakeRepository{})
	if _, err := service.Banners(context.Background(), 0, "../home"); !errors.Is(err, ErrPositionInvalid) {
		t.Fatalf("error = %v, want %v", err, ErrPositionInvalid)
	}
}

func TestContentMapsAssets(t *testing.T) {
	service := New(fakeRepository{content: &store.Content{
		ContentKey: "privacy_policy", Title: "Policy", AssetIDs: sql.NullString{String: `[1,2]`, Valid: true},
	}})
	content, err := service.Content(context.Background(), 0, "privacy_policy")
	if err != nil {
		t.Fatal(err)
	}
	if len(content.AssetIDs) != 2 || content.AssetIDs[0] != 1 || content.AssetIDs[1] != 2 {
		t.Fatalf("unexpected asset IDs: %v", content.AssetIDs)
	}
}

func TestMemberLevelsAlwaysReturnJSONObjectRules(t *testing.T) {
	service := New(fakeRepository{levels: []store.MemberLevel{{ID: 1, Code: "VIP1", Name: "Normal"}}})
	levels, err := service.MemberLevels(context.Background(), 0)
	if err != nil {
		t.Fatal(err)
	}
	if string(levels[0].Rules) != `{}` {
		t.Fatalf("rules = %s, want {}", levels[0].Rules)
	}
}

func TestHomeUsesSettledSummaryAndSnakeCaseJSON(t *testing.T) {
	service := New(fakeRepository{
		config:  json.RawMessage(`{"features":{"task_enabled":true}}`),
		summary: &store.TaskSummary{TodayCount: 2, TodayCommissionAmount: 150},
	})
	home, err := service.Home(context.Background(), 0, 7, &accounts.Profile{
		Username: "alice", Level: accounts.ProfileLevel{Name: "VIP1"},
		Wallet: accounts.ProfileWallet{Currency: "CNY"},
	})
	if err != nil {
		t.Fatal(err)
	}
	encoded, err := json.Marshal(home)
	if err != nil {
		t.Fatal(err)
	}
	text := string(encoded)
	for _, field := range []string{`"today_count":2`, `"today_commission_amount":150`, `"task_enabled":true`} {
		if !strings.Contains(text, field) {
			t.Errorf("home JSON %s does not contain %s", text, field)
		}
	}
}

func TestLeaderboardMasksUsernameAndAddsRank(t *testing.T) {
	service := New(fakeRepository{leaders: []store.LeaderboardMember{
		{MemberID: 7, Username: "风轻云淡", ClaimedPoints: 125800},
		{MemberID: 8, Username: "李明", ClaimedPoints: 96000},
	}})
	items, err := service.Leaderboard(context.Background(), 1)
	if err != nil {
		t.Fatal(err)
	}
	if len(items) != 2 || items[0].Rank != 1 || items[0].Username != "风***淡" ||
		items[0].ClaimedPoints != 125800 || items[1].Username != "李*" || items[1].Status != "领取成功" {
		t.Fatalf("unexpected leaderboard: %+v", items)
	}
}

func TestCustomerServicesSanitizeURLsAndMapStatus(t *testing.T) {
	service := New(fakeRepository{services: []store.CustomerService{
		{ID: 1, Name: "在线客服", AvatarURL: "https://example.com/avatar.png", ServiceURL: "https://example.com/chat", OnlineStatus: 1},
		{ID: 2, Name: "离线客服", AvatarURL: "javascript:alert(1)", ServiceURL: "http://example.com/chat", OnlineStatus: 2},
	}})
	items, err := service.CustomerServices(context.Background(), 0)
	if err != nil {
		t.Fatal(err)
	}
	if len(items) != 2 || items[0].OnlineStatus != "online" || items[0].ServiceURL == "" ||
		items[1].OnlineStatus != "offline" || items[1].AvatarURL != "" || items[1].ServiceURL != "" {
		t.Fatalf("unexpected customer services: %+v", items)
	}
}

func TestNoticesMapsPageAndSourceType(t *testing.T) {
	service := New(fakeRepository{noticePage: &store.MemberNoticePage{
		Items: []store.MemberNotice{{ID: 3, Title: "活动通知", SourceType: 2, CreatedAt: "2026-10-13T08:00:00Z"}},
		Total: 21,
	}})
	page, err := service.Notices(context.Background(), 1, 7, 2, 20)
	if err != nil {
		t.Fatal(err)
	}
	if page.Page != 2 || page.PageSize != 20 || page.Total != 21 || len(page.Items) != 1 ||
		page.Items[0].SourceType != "operational_simulation" || page.Items[0].CreatedAt == "" {
		t.Fatalf("unexpected notice page: %+v", page)
	}
}

func TestNoticesRejectsOversizedPage(t *testing.T) {
	service := New(fakeRepository{})
	if _, err := service.Notices(context.Background(), 1, 7, 1, 101); !errors.Is(err, ErrPageSizeInvalid) {
		t.Fatalf("error = %v, want %v", err, ErrPageSizeInvalid)
	}
}

func TestPopupNoticeUsesManagedContent(t *testing.T) {
	service := New(fakeRepository{content: &store.Content{
		ContentKey: "home_popup_content", Title: "公告通知", BodyText: "新活动已上线",
		PublishedAt: "2026-10-16T08:00:00Z",
	}})
	notice, err := service.PopupNotice(context.Background(), 1, 7)
	if err != nil {
		t.Fatal(err)
	}
	if notice == nil || notice.ID != 0 || notice.Content != "新活动已上线" || notice.SourceType != "managed_content" {
		t.Fatalf("unexpected popup notice: %+v", notice)
	}
}

func TestContentAliasesPublicAgreementRoutesToManagedText(t *testing.T) {
	service := New(fakeRepository{content: &store.Content{
		ContentKey: "platform_introduction", Title: "平台简介", BodyText: "服务条款正文",
	}})
	content, err := service.Content(context.Background(), 1, "user_agreement")
	if err != nil {
		t.Fatal(err)
	}
	if content.ContentKey != "user_agreement" || content.Title != "用户协议" || content.BodyText != "服务条款正文" {
		t.Fatalf("unexpected aliased content: %+v", content)
	}
}