// Copyright (C) 2024  Umorpha Systems
// SPDX-License-Identifier: AGPL-3.0-or-later

package main

import (
	"fmt"
	"io"
	"os"
	"errors"
	"os/exec"

	"git.mothstuff.lol/lukeshu/eclipse/lib"

	"sigs.k8s.io/yaml"
)

type GitTrigger struct {
	RepoURL string `json:"repo_url"`
	Rev     string `json:"rev"`
}

func FetchRepo(cacheDir, url string) error {
	cmd := exec.Command("git",
		"--namespace="+lib.URLToID(url),
		"fetch",
		"--no-write-fetch-head",
		"--no-recurse-submodules",
		"--no-tags",
		"--prune",
		"--",
		url, "*:*")
	cmd.Dir = cacheDir
	if err := cmd.Run(); err != nil {
		var eErr *exec.ExitError
		if errors.As(err, &eErr) {
			err = fmt.Errorf("%w: %s", err, eErr.Stderr)
		}
		return err
	}
	return nil
}

func Resolve(trigger GitTrigger) (string, error) {
	return "", nil
}

func mainWithErr() error {
	cfgBytes, err := io.ReadAll(os.Stdin)
	if err != nil {
		return err
	}
	var cfgObj GitTrigger
	if err := yaml.UnmarshalStrict(cfgBytes, &cfgObj); err != nil {
		return err
	}
	out, err := Resolve(cfgObj)
	if err != nil {
		return err
	}
	fmt.Println(out)
	return nil
}

func main() {
	if err := mainWithErr(); err != nil {
		fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
		os.Exit(1)
	}
}