#!/bin/bash

# Set the GitHub repository
REPO="navidrome/navidrome"

# Set the platform
#This is how it finds what release to grab.
#It should be part of the file name you want under Assests on the release page.
SEARCH=linux_amd64

# Fetch the latest release information using the GitHub API
RELEASE_INFO=$(curl -s "https://api.github.com/repos/$REPO/releases/latest")

# Extract the version using jq and store it in version.txt
NEW_VERSION=$(echo "$RELEASE_INFO" | jq -r ".tag_name" | sed 's/[^0-9]*//g')
CURRENT_VERSION=$(cat version.txt 2>/dev/null)

# Check if version.txt exists and if the latest version is newer
if [ -z "$CURRENT_VERSION" ] || [ "$NEW_VERSION" -gt "$CURRENT_VERSION" ]; then
    echo "Newer version available. Updating version.txt and downloading..."

    # Update version.txt with the new version
    echo "$NEW_VERSION" > version.txt

    # Extract the download URLs for all assets
    DOWNLOAD_URLS=$(echo "$RELEASE_INFO" | jq -r '.assets[] | .browser_download_url')

    # Loop through each download URL and find the one containing the SEARCH string
    for URL in $DOWNLOAD_URLS; do
        if [[ $URL == *"$SEARCH"* ]]; then
            DOWNLOAD_URL=$URL
            break
        fi
    done

    # Download the release
    if [ -n "$DOWNLOAD_URL" ]; then
        echo "Downloading $DOWNLOAD_URL"
        curl -LOs "$DOWNLOAD_URL"
        echo "Download complete."

        # Check if a tar file exists in the directory
        #Change file extension as needed!
        if [ -e *.tar.gz ]; then
            # Extract the tar file
            echo "Extracting tar file..."
            tar -zxvf *.tar.gz

            # Delete the tar file
            echo "Deleting tar file..."
            rm -f *.tar.gz
            echo "Tar file deleted."
        else
            echo "Error: No tar file found in the directory."
            exit 1
        fi
    else
        echo "Error: Unable to find download URL for $SEARCH."
        exit 1
    fi
else
    echo "Already up-to-date. No need to download."
fi


exit