package domain

import (
	"github.com/go-playground/validator/v10"
	"github.com/stretchr/testify/assert"
	"testing"
	"time"
)

func Test_dateOfBirthValidation(t *testing.T) {
	testCases := []struct {
		name string
		date struct {
			Date CustomDate `validate:"date_of_birth"`
		}
		expectedErrText string
	}{
		{
			name: "ok",
			date: struct {
				Date CustomDate `validate:"date_of_birth"`
			}{Date: CustomDate{Time: time.Now().AddDate(-18, 0, 0)}},
		},
		{
			name: "exactly_on_boundary",
			date: struct {
				Date CustomDate `validate:"date_of_birth"`
			}{Date: CustomDate{Time: time.Date(1924, time.January, 1, 0, 0, 0, 0, time.UTC)}},
		},
		{
			name: "too_young",
			date: struct {
				Date CustomDate `validate:"date_of_birth"`
			}{Date: CustomDate{Time: time.Now().AddDate(-15, 11, 30)}},
			expectedErrText: "Key: 'Date' Error:Field validation for 'Date' failed on the 'date_of_birth' tag",
		},
		{
			name: "too_old",
			date: struct {
				Date CustomDate `validate:"date_of_birth"`
			}{Date: CustomDate{Time: time.Date(1923, time.December, 31, 23, 59, 59, 0, time.UTC)}},
			expectedErrText: "Key: 'Date' Error:Field validation for 'Date' failed on the 'date_of_birth' tag",
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			validate := validator.New()
			_ = validate.RegisterValidation("date_of_birth", dateOfBirthValidation)

			err := validate.Struct(tc.date)
			if tc.expectedErrText != "" {
				assert.EqualError(t, err, tc.expectedErrText)
			} else {
				assert.NoError(t, err)
			}
		})
	}
}