// Terminal interop bridge: xterm.js <-> .NET Blazor WASM
window.terminalInterop = {
    term: null,
    fitAddon: null,

    init: function () {
        const term = new Terminal({
            cols: 120,
            rows: 30,
            fontFamily: "'Cascadia Mono', 'Consolas', 'Courier New', monospace",
            fontSize: 14,
            theme: {
                background: '#1a1a2e',
                foreground: '#e0e0e0',
                cursor: '#ffd700',
                cursorAccent: '#1a1a2e',
                selectionBackground: 'rgba(255, 215, 0, 0.3)'
            },
            cursorBlink: true,
            allowProposedApi: true,
            scrollback: 1000
        });

        const fitAddon = new FitAddon.FitAddon();
        term.loadAddon(fitAddon);

        term.open(document.getElementById('terminal'));
        fitAddon.fit();

        // Forward key input to C#
        term.onData(function (data) {
            DotNet.invokeMethodAsync('OpenTheBox.Web', 'OnTerminalInput', data);
        });

        // Handle resize
        window.addEventListener('resize', function () {
            fitAddon.fit();
        });

        this.term = term;
        this.fitAddon = fitAddon;

        // Show terminal, hide loading
        document.getElementById('loading').classList.add('hidden');
        document.getElementById('terminal-container').classList.add('active');

        term.focus();
    },

    write: function (text) {
        if (this.term) {
            this.term.write(text);
        }
    },

    clear: function () {
        if (this.term) {
            this.term.clear();
            this.term.write('\x1b[H\x1b[2J');
        }
    },

    focus: function () {
        if (this.term) {
            this.term.focus();
        }
    }
};