package handlers //nolint:testpackage // testing unexported validateAppName

import (
	"testing"
)

func TestValidateAppName(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name    string
		input   string
		wantErr bool
	}{
		{"valid simple", "myapp", false},
		{"valid with hyphen", "my-app", false},
		{"valid with numbers", "app123", false},
		{"valid two chars", "ab", false},
		{"valid complex", "my-cool-app-v2", false},
		{"valid all numbers", "123", false},
		{"empty", "", true},
		{"single char", "a", true},
		{"too long", "a" + string(make([]byte, 63)), true},
		{"exactly 63 chars", "a23456789012345678901234567890123456789012345678901234567890123", false},
		{"64 chars", "a234567890123456789012345678901234567890123456789012345678901234", true},
		{"uppercase", "MyApp", true},
		{"spaces", "my app", true},
		{"starts with hyphen", "-myapp", true},
		{"ends with hyphen", "myapp-", true},
		{"underscore", "my_app", true},
		{"dot", "my.app", true},
		{"slash", "my/app", true},
		{"path traversal", "../etc/passwd", true},
		{"special chars", "app@name!", true},
		{"unicode", "appñame", true},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			err := validateAppName(tt.input)
			if (err != nil) != tt.wantErr {
				t.Errorf("validateAppName(%q) error = %v, wantErr %v", tt.input, err, tt.wantErr)
			}
		})
	}
}