#!/bin/bash

echo "Starting build..."

SOURCE=${BASH_SOURCE[0]}
DIR_OF_THIS_SCRIPT="$( dirname "$SOURCE" )"
ABS_DIR_OF_SCRIPT="$( realpath $DIR_OF_THIS_SCRIPT )"

# Determine platform
ASSET="tailwindcss"
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
    ASSET="$ASSET-linux"
elif [[ "$OSTYPE" == "darwin"* ]]; then
    ASSET="$ASSET-macos"
fi
if [[ "$(uname -m)" == "x86_64"* ]]; then
    ASSET="$ASSET-x64"
elif [[ "$(uname -m)" == "arm64"* ]]; then
    ASSET="$ASSET-arm64"
fi

# Get the latest version from GitHub
LATEST_VERSION=$(curl -s https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest | grep '"tag_name":' | cut -d '"' -f 4)

# Get current version (if exists)
CURRENT_VERSION=""
if [[ -f "./tailwindcss" ]]; then
    CURRENT_VERSION=$(./tailwindcss -v | awk '{print $2}')
fi

echo "Current Tailwind version: $CURRENT_VERSION"
echo "Latest Tailwind version: $LATEST_VERSION"

# Download only if outdated or not installed
if [[ "$CURRENT_VERSION" != "$LATEST_VERSION" ]]; then
    echo "Updating Tailwind to latest version..."
    rm -f tailwindcss
    curl -sLO "https://github.com/tailwindlabs/tailwindcss/releases/download/${LATEST_VERSION}/${ASSET}"
    chmod +x $ASSET
    mv $ASSET tailwindcss
else
    echo "Tailwind is already up to date."
fi

# Initialize tailwind.config.js if not exists
if [[ ! -f "tailwind.config.js" ]]; then
    echo "Initializing tailwind.config.js..."
    ./tailwindcss init
    sed -i '' "s|  content: \[\],|  content: \['./templates/**/*.html'\],|g" tailwind.config.js
fi

# Build Tailwind CSS and Zola
echo "Compiling Tailwind CSS and building Zola site..."
rm -rf public static/css
./tailwindcss -i css/index.css -o static/css/index.css --minify
zola --root "$ABS_DIR_OF_SCRIPT" build