module main

import strings
import git

enum GitService {
    receive
    upload
    unknown
}

fn (g GitService) str() string {
    return match g {
        .receive { 'receive-pack' }
        .upload { 'upload-pack' }
        else { 'unknown' }
    }
}

fn extract_service_from_url(url string) GitService {
    // Get service type from the git request.
    // Receive (git push) or upload    (git pull)
    return if url.contains('service=git-upload-pack') {
        GitService.upload
    } else if url.contains('service=git-receive-pack') {
        GitService.receive
    } else {
        GitService.unknown
    }
}

fn build_git_service_response(service GitService, body string) string {
    mut git_response := strings.new_builder(100)
    git_response.write_string(git.write_packet('# service=git-${service}\n'))
    git_response.write_string(git.flush_packet())
    git_response.write_string(body)

    return git_response.str()
}