const { Command } = require('@sapphire/framework');

class ReminderCommand extends Command {
    constructor(context, options) {
        super(context, {
            ...options,
            name: 'reminder',
            description: 'Set a reminder',
        });
    }

    registerApplicationCommands(registry) {
        registry.registerChatInputCommand((builder) =>
            builder
                .setName(this.name)
                .setDescription(this.description)
                .addRoleOption((option) =>
                    option
                        .setName('role')
                        .setDescription('The role to remind'),
                )
                .addStringOption((option) =>
                    option
                        .setName('time')
                        .setDescription('The time for the riminder | Time format: `YYYY-MM-DDTHH:MM:SS`'),
                )
                .addStringOption((option) =>
                    option
                        .setName('message')
                        .setDescription('The message for the reminder'),
                ),
        );
    }

    async chatInputRun(interaction) {
        const role = interaction.options.getRole('role', true);
        const time = interaction.options.getString('time', true);
        let message = interaction.options.getString('message', false);

        if (message == null) {
            message = 'Reminder!';
        }

        const delay = parseTime(time);
        if (delay === null) {
            await interaction.reply('Invalid time format Please use a valid time format like `2023-02-22T13:17:00`');
            return;
        }

        interaction.reply('Reminder set!');

        setTimeout(() => {
            return interaction.channel.send(`${role} ${message}`);
        }, delay);
    }
}

function parseTime(time) {
    const targetDate = Date.parse(time);

    console.log(targetDate);

    if (isNaN(targetDate)) {
        return null;
    }

    const milliseconds = targetDate - Date.now();

    return milliseconds;
}

module.exports = {
    ReminderCommand,
};