import { BASDecompiler } from './BASDecompiler'

let editor : any;

function openFile(file: File) {
    const reader = new FileReader();
    reader.onload = () => {
        if (reader.result instanceof ArrayBuffer) {
            editor.setValue(BASDecompiler.decompile(reader.result as ArrayBuffer));
        }
    };
    reader.readAsArrayBuffer(file);
}

document.addEventListener('DOMContentLoaded', (e) => {
    editor = CodeMirror.fromTextArea(document.getElementById('code'), {
        lineNumbers: false,
        styleActiveLine: true,
        matchBrackets: true,
        theme: 'eclipse',
        highlightSelectionMatches: true
    });

    const fileInput = document.getElementById('file-input') as HTMLInputElement;
    fileInput.onchange = (event) => {
        openFile(fileInput.files[0]);
    };

    const panel : HTMLElement = document.getElementById('ide')!!;
    panel.addEventListener('dragover', (event) => {
        event.preventDefault();
        panel.style.borderColor = 'blue';
    });
    panel.addEventListener('dragleave', () => {
        panel.style.borderColor = '#ccc';
    });
    panel.addEventListener('drop', (event) => {
        event.preventDefault();
        panel.style.borderColor = '#ccc';
        openFile(event.dataTransfer!!.files[0]);
    });
});