// Config: parse triggers.yaml

// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright (C) 2021-2024  Simon Ruderich

package config

import (
	"fmt"
	"os"
	"path/filepath"

	"gopkg.in/yaml.v2"

	"ruderich.org/simon/safcm"
)

func LoadTriggers(group string, files map[string]*safcm.File) error {
	path := filepath.Join(group, "triggers.yaml")

	var triggers map[string][]string
	x, err := os.ReadFile(path)
	if err != nil {
		if os.IsNotExist(err) {
			return nil
		}
		return err
	}
	err = yaml.UnmarshalStrict(x, &triggers)
	if err != nil {
		return fmt.Errorf("%s: failed to load: %v", path, err)
	}

	for p, x := range triggers {
		f, ok := files[p]
		if !ok {
			return fmt.Errorf("%s: %q does not exist in files/",
				path, p)
		}
		f.TriggerCommands = x
	}

	return nil
}