src/cmd/time.zig


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const std = @import("std");
const Allocator = std.mem.Allocator;
const print = std.debug.print;

const types = @import("./lib/types.zig");
const CommandStatus = types.CommandStatus;
const OutputCapture = types.OutputCapture;
const InputSource = types.InputSource;

pub const Time = struct {
    pub fn eval(time: Time, allocator: Allocator, output_capture: ?*OutputCapture, input_source: ?*InputSource) !CommandStatus {
        _ = time;
        _ = input_source;

        const timestamp = std.time.timestamp();
        const epoch_seconds = @as(u64, @intCast(timestamp));
        const day_seconds = epoch_seconds % std.time.s_per_day;
        const hours = day_seconds / std.time.s_per_hour;
        const minutes = (day_seconds % std.time.s_per_hour) / std.time.s_per_min;
        const seconds = day_seconds % std.time.s_per_min;

        const output = try std.fmt.allocPrint(allocator, "Current time is {d:0>2}:{d:0>2}:{d:0>2}\n", .{ hours, minutes, seconds });
        defer allocator.free(output);
        if (output_capture) |capture| {
            try capture.write(output);
        } else {
            print("{s}", .{output});
        }
        return CommandStatus{ .Code = 0 };
    }
};