const std = @import("std");
const Artificer = @import("artificer");
const Allocator = std.mem.Allocator;

fn getAPITokenFromArgs(allocator: Allocator) !?[]u8 {
    const args = try std.process.argsAlloc(allocator);
    defer std.process.argsFree(allocator, args);

    if (args.len < 2) {
        return null;
    }

    const filename = args[1];
    const cwd = std.fs.cwd();
    var token_buffer: [256]u8 = undefined;
    const token = try cwd.readFile(filename, &token_buffer);

    return try allocator.dupe(u8, std.mem.trim(u8,token,"\n\t "));
}

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
    const allocator = gpa.allocator();

    const token = (try getAPITokenFromArgs(allocator)) orelse return error.MissingToken;
    defer allocator.free(token);

    var artificer = try Artificer.init(allocator, token);
    defer artificer.deinit();

    std.log.info("Starting main loop", .{});
    while (true) {
        const waitUntil = artificer.nextStepAt();
        const duration = waitUntil - std.time.timestamp();
        if (duration > 0) {
            std.time.sleep(@intCast(duration));
        }

        try artificer.step();
    }
}