#!/bin/bash

# Include configuration variables
source "./discord_url"

# Define an array for themes with their names and URLs.
themes=(
    "theme-dark-arc|https://raw.githubusercontent.com/Jieiku/theme-dark-arc-gitea/main/theme-dark-arc.css"
    "theme-github-dark|https://codeberg.org/pat-s/gitea-github-theme/raw/branch/main/theme-github-dark.css"
    "theme-github|https://codeberg.org/pat-s/gitea-github-theme/raw/branch/main/theme-github.css"
    "theme-github-auto|https://codeberg.org/pat-s/gitea-github-theme/raw/branch/main/theme-github-auto.css"
    "theme-tangerine-dream|https://raw.githubusercontent.com/jager012/tangerine-dream/main/theme-tangerine-dream.css"
)

# Function to send an error message to Discord
function send_discord_message() {
    message="$1"
    curl -H "Content-Type: application/json" -X POST -d "{\"content\": \"$message\"}" "$DISCORD_WEBHOOK_URL"
}

# Logging functions
function log_info() {
    log_message="$1"
    echo "$(date +'%Y-%m-%d %H:%M:%S') - INFO: $log_message"
}

function log_error() {
    error_message="$1"
    echo "$(date +'%Y-%m-%d %H:%M:%S') - ERROR: $error_message"
    send_discord_message "$error_message"
}

function update_theme() {
    local_theme="$1"
    local_file="$local_theme.css"
    remote_url="$2"
    remote_temp="./$local_theme-remote-temp.css"

    # Download the remote file to a temporary file
    wget -q "$remote_url" -O "$remote_temp"

    if cmp -s "$local_file" "$remote_temp"; then
        log_info "The $local_theme files have the same contents."
    else
        log_info "The $local_theme files have different contents. Updating local file..."

        rm -rf ./backup/
        mkdir -p ./backup
        cp "$local_file" ./backup/

        # Replace the local file with the remote one
        mv "$remote_temp" "$local_file" || { log_error "Failed to update $local_file"; exit 1; }

        log_info "$local_theme local file updated with the remote version."
    fi

    # Clean up by removing the temporary remote file
    rm -f "$remote_temp"
}

function main() {
    for theme in "${themes[@]}"; do
        IFS="|" read -r theme_name remote_url <<< "$theme"
        update_theme "$theme_name" "$remote_url"
    done

    # send_discord_message "Themes checked and updated if needed."
}

# Execute the main function
main