const std = @import("std");
const ansi = @import("ansi.zig");

var output_buffer: [1024]u8 = undefined;
var writer_stderr = std.fs.File.stderr().writer(&output_buffer);
const stderr = &writer_stderr.interface;

var input_buffer: [1024]u8 = undefined;
var reader_stdin = std.fs.File.stdin().reader(&input_buffer);
const stdin = &reader_stdin.interface;

pub fn read(
    prompt: []const u8,
    allocator: std.mem.Allocator,
) ![]u8 {
    try stderr.print(
        "{f}{f}{f} ",
        .{
            ansi.Styled {
                .text = " ",
                .bg = .blue,
                .bold = true,
            },
            ansi.Styled {
                .text = prompt,
                .bg = .blue,
                .bold = true,
            },
            ansi.Styled {
                .text = ": ",
                .bg = .blue,
                .bold = true,
            },
        },
    );

    try stderr.flush();

    var output = std.Io.Writer.Allocating.init(allocator);
    errdefer output.deinit();
    _ = try stdin.streamDelimiter(&output.writer, '\n');
    stdin.toss(1);
    return output.toOwnedSlice();
}