package handlers

import "testing"

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

	tests := []struct {
		name    string
		url     string
		wantErr bool
	}{
		// Valid URLs
		{name: "https URL", url: "https://github.com/user/repo.git", wantErr: false},
		{name: "http URL", url: "http://github.com/user/repo.git", wantErr: false},
		{name: "ssh URL", url: "ssh://git@github.com/user/repo.git", wantErr: false},
		{name: "git URL", url: "git://github.com/user/repo.git", wantErr: false},
		{name: "SCP-like URL", url: "git@github.com:user/repo.git", wantErr: false},
		{name: "SCP-like with dots", url: "git@git.example.com:org/repo.git", wantErr: false},
		{name: "https without .git", url: "https://github.com/user/repo", wantErr: false},
		{name: "https with port", url: "https://git.example.com:8443/user/repo.git", wantErr: false},

		// Invalid URLs
		{name: "empty string", url: "", wantErr: true},
		{name: "whitespace only", url: "   ", wantErr: true},
		{name: "file URL", url: "file:///etc/passwd", wantErr: true},
		{name: "file URL uppercase", url: "FILE:///etc/passwd", wantErr: true},
		{name: "bare path", url: "/some/local/path", wantErr: true},
		{name: "relative path", url: "../repo", wantErr: true},
		{name: "just a word", url: "notaurl", wantErr: true},
		{name: "ftp URL", url: "ftp://example.com/repo.git", wantErr: true},
		{name: "no host https", url: "https:///path", wantErr: true},
		{name: "no path https", url: "https://github.com", wantErr: true},
		{name: "no path https trailing slash", url: "https://github.com/", wantErr: true},
	}

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

			err := validateRepoURL(tc.url)
			if tc.wantErr && err == nil {
				t.Errorf("validateRepoURL(%q) = nil, want error", tc.url)
			}

			if !tc.wantErr && err != nil {
				t.Errorf("validateRepoURL(%q) = %v, want nil", tc.url, err)
			}
		})
	}
}