package main

import (
	"encoding/json"
	"fmt"
	"io/fs"
	"os"
	"path/filepath"
)

var Pipelines []Pipeline

type PipelineType int
type PipelineStepType int

const (
	Image PipelineType = iota
	Video
)

const (
	Resize PipelineStepType = iota
	Compress
	Encode
)

type Pipeline struct {
	Name           string
	Type           PipelineType
	RemoveMetadata bool
	Steps          []Step
}

type Step struct {
	Name string
	Type PipelineStepType
}

func DeserializePipelines(pipelines [][]byte) []Pipeline {
	values := make([]Pipeline, len(pipelines))

	for index, pipeline := range pipelines {
		var deserializedObject Pipeline
		json.Unmarshal(pipeline, &deserializedObject)
		values[index] = deserializedObject
	}

	return values
}

func LoadPipelines() {
	var files [][]byte

	path, _ := os.Getwd()

	err := filepath.Walk(path+"/pipelines", func(path string, info fs.FileInfo, err error) error {
		if err == nil && info.IsDir() == false {
			fmt.Println(path)
			data, _ := os.ReadFile(path)
			files = append(files, data)
		}

		return nil
	})

	if err != nil {
		panic(err)
	}

	Pipelines = DeserializePipelines(files)
}