package handlers

import (
	"testing"

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

func TestLooksLikeSHA256_Valid(t *testing.T) {
	validSHA256 := "550e8400e29b41d4a716446655440000550e8400e29b41d4a716446655440000"

	result := looksLikeSHA256(validSHA256)
	assert.True(t, result)
}

func TestLooksLikeSHA256_Lowercase(t *testing.T) {
	sha256 := "550e8400e29b41d4a716446655440000550e8400e29b41d4a716446655440000"

	result := looksLikeSHA256(sha256)
	assert.True(t, result)
}

func TestLooksLikeSHA256_Invalid(t *testing.T) {
	tests := []struct {
		name  string
		input string
	}{
		{"too short", "abc123"},
		{"too long", "550e8400e29b41d4a716446655440000550e8400e29b41d4a71644665544000000"},
		{"wrong characters", "550e8400e29b41d4a716446655440000550e8400e29b41d4a71644665544000gg"},
		{"empty", ""},
		{"with spaces", "550e8400 e29b 41d4 a716 446655440000"},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := looksLikeSHA256(tt.input)
			assert.False(t, result)
		})
	}
}