package cli

import ase "../vendors/aseprite"
import "core:encoding/json"
import "core:fmt"
import "core:os"
import "core:slice"
import s "core:strings"

import rl "vendor:raylib"
import stbrp "vendor:stb/rect_pack"

import gen "../src/generator"

ATLAS_SIZE :: 512
IMPORT_PATH :: "./example.aseprite"
EXPORT_PATH :: "./atlas.png"

main :: proc() {

	ase_file, ase_ok := os.read_entire_file(IMPORT_PATH)
	if !ase_ok {
		fmt.panicf("Couldn't load file!")
	}

	target_dir := os.get_current_directory()

	atlas: rl.Image = rl.GenImageColor(ATLAS_SIZE, ATLAS_SIZE, rl.BLANK)
	atlas_entries: [dynamic]gen.AtlasEntry = make([dynamic]gen.AtlasEntry)
	gen.unmarshall_aseprite_dir(target_dir, &atlas_entries)

	metadata := gen.pack_atlas_entries(atlas_entries[:], &atlas, 10, 10)

	json_bytes, jerr := json.marshal(metadata)
	os.write_entire_file("./metadata.json", json_bytes)
	sb := gen.metadata_source_code_generate(metadata[:], gen.odin_source_generator_metadata)
	odin_output_str := s.to_string(sb)
	os.write_entire_file("./output.odin", transmute([]byte)odin_output_str)

	rl.ExportImage(atlas, EXPORT_PATH)
}