discord.js help

if (message.content.startsWith('hi')) {
    const last_message = await message.channel.messages.fetch({ limit: 2 });
    const last_embed = last_message.last().embeds[0];

    let color_index = 0;
    if (last_embed && last_embed.color && colors.includes(last_embed.color)) {
        const last_color_index = colors.indexOf(last_embed.color);
        color_index = (last_color_index + 1) % colors.length;
    } else {
        color_index = colors.length - 1; // Set the initial color to the last color in the array
    }

    const next_color_index = (color_index + 1) % colors.length;
    const embed = new EmbedBuilder()
        .setDescription(`Welcome to Snoopal, ${message.author}!`)
        .setColor(colors[next_color_index]);
    message.channel.send({ embeds: [embed] });
}