#!/bin/bash

set -e

# Get latest version from Discord's API
LATEST_JSON=$(curl -s "https://discord.com/api/updates/stable?platform=linux")
LATEST_VERSION=$(echo "$LATEST_JSON" | grep -oP '"name":\s*"\K[0-9.]+')


# Get installed version from APT (if installed)
if apt show discord 2>/dev/null | grep -q 'Version:'; then
    INSTALLED_VERSION=$(apt show discord 2>/dev/null | grep '^Version:' | awk '{print $2}')
else
    INSTALLED_VERSION="none"
fi

echo "Latest available version:   $LATEST_VERSION"
echo "Currently installed version: $INSTALLED_VERSION"

# Compare versions
if [ "$LATEST_VERSION" != "$INSTALLED_VERSION" ]; then
    echo "Updating Discord to version $LATEST_VERSION..."

    DEB_URL="https://stable.dl2.discordapp.net/apps/linux/${LATEST_VERSION}/discord-${LATEST_VERSION}.deb"
    TEMP_DEB="/tmp/discord-${LATEST_VERSION}.deb"

    echo "Downloading: $DEB_URL"
    curl -L "$DEB_URL" -o "$TEMP_DEB"

    echo "Installing..."
    sudo dpkg -i "$TEMP_DEB"

    echo "Cleaning up..."
    rm -f "$TEMP_DEB"

    echo "✅ Discord updated to $LATEST_VERSION"
else
    echo "👍 Discord is already up to date."
fi