package main

import (
	"io"
	"os"

	"gitea.inhome.blapointe.com/gogs/pttodo/pttodo"
	"gopkg.in/yaml.v2"
)

func dump(config config) error {
	return _dump(os.Stdout, config.Targets(), config.tags, config.search, config.root)
}

func _dump(writer io.Writer, filepaths []string, tags []string, search, rootDisplay string) error {
	root, err := pttodo.NewRootFromFiles(filepaths...)
	if err != nil {
		return err
	}

	for _, x := range []*[]pttodo.Todo{
		&root.Todo,
		&root.Scheduled,
		&root.Done,
	} {
		y := pttodo.Todos(*x)
		y = y.LikeTags(tags)
		y = y.LikeSearch(search)
		*x = y
	}

	var v interface{} = root
	switch rootDisplay {
	case DUMP_TODO:
		v = root.Todo
	case DUMP_SCHEDULED:
		v = root.Scheduled
	case DUMP_DONE:
		v = root.Done
	default:
	}

	return yaml.NewEncoder(writer).Encode(v)
}