package codes_test

import (
	"context"
	"testing"
	"time"

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

// 无活跃 pro 的新用户:GrantRewardTx 新建一行 source='invite',并写一条 audit_log。
func TestGrantRewardTx_FreshUserCreatesInviteSub(t *testing.T) {
	db := openMigratedSQLite(t)
	seedUser(t, db, 7)
	store := codes.NewStore(db)
	svc := codes.NewService(store, nil, 5, time.Hour)
	ctx := context.Background()

	tx, err := store.BeginTx(ctx)
	if err != nil {
		t.Fatalf("BeginTx: %v", err)
	}
	subID, exp, err := svc.GrantRewardTx(ctx, tx, 7, 3, "invite", "invite_reward", "ref-1")
	if err != nil {
		t.Fatalf("grant: %v", err)
	}
	if err := tx.Commit(); err != nil {
		t.Fatal(err)
	}
	if subID == 0 || exp.Before(time.Now()) {
		t.Fatalf("bad sub %d exp %v", subID, exp)
	}

	var src string
	if err := db.QueryRow(`SELECT source FROM subscriptions WHERE id=?`, subID).Scan(&src); err != nil {
		t.Fatalf("query source: %v", err)
	}
	if src != "invite" {
		t.Fatalf("source = %q, want invite", src)
	}
	var n int
	if err := db.QueryRow(`SELECT COUNT(*) FROM audit_log WHERE action='invite_reward' AND target='ref-1'`).Scan(&n); err != nil {
		t.Fatalf("query audit_log: %v", err)
	}
	if n != 1 {
		t.Fatalf("audit rows = %d, want 1", n)
	}
}