package pub

import (
	"context"
	"testing"

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

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

// TC-1208: 正常获取（默认宽高）
func TestCaptcha_DefaultSize(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	logic := NewCaptchaLogic(context.Background(), svcCtx)

	resp, err := logic.Captcha(&types.CaptchaReq{})
	require.NoError(t, err)
	require.NotNil(t, resp)
	assert.NotEmpty(t, resp.Id)
	assert.NotEmpty(t, resp.Base64Image)
}

// TC-1209: 自定义宽高
func TestCaptcha_CustomSize(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	logic := NewCaptchaLogic(context.Background(), svcCtx)

	resp, err := logic.Captcha(&types.CaptchaReq{Width: 300, Height: 100})
	require.NoError(t, err)
	require.NotNil(t, resp)
	assert.NotEmpty(t, resp.Id)
	assert.NotEmpty(t, resp.Base64Image)
}

// TC-1210: 宽高为 0 或负数，退化为默认值
func TestCaptcha_ZeroOrNegativeSize(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	logic := NewCaptchaLogic(context.Background(), svcCtx)

	cases := []struct {
		name   string
		width  int
		height int
	}{
		{"zero_both", 0, 0},
		{"negative_width", -1, 80},
		{"negative_height", 240, -1},
		{"negative_both", -100, -100},
	}

	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			resp, err := logic.Captcha(&types.CaptchaReq{Width: tc.width, Height: tc.height})
			require.NoError(t, err)
			require.NotNil(t, resp)
			assert.NotEmpty(t, resp.Id)
			assert.NotEmpty(t, resp.Base64Image)
		})
	}
}

// TC-1252: VerifyCaptcha 验证：正确码消费后不可重用
func TestVerifyCaptcha_CorrectCodeConsumes(t *testing.T) {
	id := "test_captcha_id_001"
	code := "1234"
	defaultCaptchaStore.Set(id, code)

	assert.True(t, VerifyCaptcha(id, code))
	assert.False(t, VerifyCaptcha(id, code), "should be consumed after first verification")
}

// TC-1253: VerifyCaptcha 验证：错误码不消费
func TestVerifyCaptcha_WrongCode(t *testing.T) {
	id := "test_captcha_id_002"
	code := "5678"
	defaultCaptchaStore.Set(id, code)

	assert.False(t, VerifyCaptcha(id, "0000"))
}

// TC-1254: VerifyCaptcha 验证：不存在的 id
func TestVerifyCaptcha_NonExistentId(t *testing.T) {
	assert.False(t, VerifyCaptcha("non_existent_id", "1234"))
}