december-adventure-2024/src/main.zig

const std = @import("std");
const builtin = @import("builtin");
const eql = @import("std").mem.eql;

const stdout = std.io.getStdOut().writer();

pub fn main() !void {
    // Read the first argument to determine the subcommand
    const allocator = std.heap.page_allocator;
    var args = try std.process.argsWithAllocator(allocator);
    defer args.deinit();

    _ = args.next(); // Skip the first argument, which is the program name

    const firstArg = args.next() orelse {
        try stdout.print("No subcommand provided\n", .{});
        return;
    };

    if (eql(u8, firstArg, "list")) {
        try listEntries();
    } else if (eql(u8, firstArg, "create")) {
        try createNewEntry();
    } else {
        try stdout.print("Unknown subcommand: {s}\n", .{firstArg});
    }
}

fn createNewEntry() !void {
    // TODO
}

fn listEntries() !void {
    const file = try std.fs.cwd().openFile("entries.log.gmi", .{});
    defer file.close();

    var bufReader = std.io.bufferedReader(file.reader());
    var inStream = bufReader.reader();

    var buf: [1024]u8 = undefined;
    while (try inStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
        try stdout.print("{s}\n", .{ line });
    }
}