const std = @import("std");
const io = std.io;
const mem = std.mem;
const os = std.os;

var player1Name: []const u8 = undefined;
var player2Name: []const u8 = undefined;

pub fn main() anyerror!void {
    std.log.info("All your codebase are belong to us.", .{});

    //Get input
    const stdIn = io.getStdIn();
    const stdOut = io.getStdOut();
    var quit: bool = false;

    var buffer: [1000]u8 = undefined;
    //    var fba = std.heap.FixedBufferAllocator.init(&buffer);
    //    const allocator = fba.allocator();

    try stdOut.writer().print(">", .{});
    while (!quit) {
        const input = (try nextLine(stdIn.reader(), &buffer)).?;

        try parser(input);
        try stdOut.writer().print(">", .{});
    }
}

fn nextLine(reader: anytype, buffer: []u8) !?[]const u8 {
    var line = (try reader.readUntilDelimiterOrEof(
        buffer,
        '\n',
    )) orelse return null;
    // trim annoying windows-only carriage return character
    if (@import("builtin").os.tag == .windows) {
        return std.mem.trimRight(u8, line, "\r");
    } else {
        return line;
    }
}

//TODO: Create command parser
fn parser(query: []const u8) !void {
    const stdOut = io.getStdOut();
    if (mem.eql(u8, query, "quit")) {
        try quitApp();
    }
    if (mem.eql(u8, query, "player1")) {
        player1Name = try getInput();
        try stdOut.writer().print("Player 1 is now {s}\n", .{player1Name});
    }
    if (mem.eql(u8, query, "player2")) {
        player1Name = try getInput();
        try stdOut.writer().print("Player 1 is now {s}\n", .{player1Name});
    }
}

fn quitApp() !void {
    const stdOut = io.getStdOut();
    try stdOut.writer().print("Bye!\n", .{});
    os.exit(0);
}

fn getInput() ![]const u8{
    const stdIn = io.getStdIn();
    var buffer: [1000]u8 = undefined;
    const input = (try nextLine(stdIn.reader(), &buffer)).?;
    return input;
}

//TODO: Create inital settings

test "basic test" {
    try std.testing.expectEqual(10, 3 + 7);
}