package reward

import (
	"context"
	"database/sql"
	"testing"
	"time"

	"github.com/wangjia/pangolin/server/internal/codes"
)

type fakeChecker struct{ member bool }

func (f fakeChecker) IsMember(_ context.Context, _, _ string) (bool, error) { return f.member, nil }

func newTgSvc(t *testing.T, db *sql.DB, member bool) *Service {
	g := codes.NewService(codes.NewStore(db), nil, 5, time.Hour)
	s := NewService(db, NewStore(db), g, Config{TgDays: 3}, time.Now)
	s.SetTelegram("bot", "@ch", "tok", "sec")
	s.SetMemberChecker(fakeChecker{member: member})
	return s
}

func TestClaimTelegram_MemberGrantsOnce(t *testing.T) {
	db := openDB(t)
	seedU(t, db, 1, "u1")
	s := newTgSvc(t, db, true)
	ok, err := s.ClaimTelegram(context.Background(), 1, "tg-777")
	if err != nil || !ok {
		t.Fatalf("claim1: %v %v", ok, err)
	}
	if d := proDays(t, db, 1); d < 3 {
		t.Fatalf("pro days=%d", d)
	}
	// 再领 → 不再发(唯一守卫)
	ok2, _ := s.ClaimTelegram(context.Background(), 1, "tg-777")
	if ok2 {
		t.Fatalf("claimed twice")
	}
}

func TestClaimTelegram_NonMemberNoGrant(t *testing.T) {
	db := openDB(t)
	seedU(t, db, 1, "u1")
	s := newTgSvc(t, db, false)
	ok, _ := s.ClaimTelegram(context.Background(), 1, "tg-1")
	if ok {
		t.Fatalf("non-member granted")
	}
	if d := proDays(t, db, 1); d >= 3 {
		t.Fatalf("granted days to non-member: %d", d)
	}
}