#!/usr/bin/env bash
set -e

# Generate documentation from Casks
# This script parses .rb files in Casks/ and updates docs/index.html

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(dirname "$SCRIPT_DIR")"
CASKS_DIR="$ROOT_DIR/Casks"
DOCS_DIR="$ROOT_DIR/docs"
INDEX_FILE="$DOCS_DIR/index.html"
TEMP_FILE="$DOCS_DIR/casks_temp.html"

# Get metadata for a cask
get_icon() {
    case "$1" in
        kportal) echo "fa-ship" ;;
        lolcathost) echo "fa-cat" ;;
        semver-generator) echo "fa-code-branch" ;;
        graphql-monitoring-proxy) echo "fa-chart-line" ;;
        *) echo "fa-cube" ;;
    esac
}

get_colors() {
    case "$1" in
        kportal) echo "from-blue-500 to-purple-600" ;;
        lolcathost) echo "from-pink-500 to-purple-600" ;;
        semver-generator) echo "from-emerald-500 to-teal-600" ;;
        graphql-monitoring-proxy) echo "from-rose-500 to-orange-600" ;;
        *) echo "from-gray-500 to-gray-600" ;;
    esac
}

get_tag1() {
    case "$1" in
        kportal) echo "Kubernetes" ;;
        lolcathost) echo "Hosts" ;;
        semver-generator) echo "Git" ;;
        graphql-monitoring-proxy) echo "GraphQL" ;;
        *) echo "CLI" ;;
    esac
}

get_tag1_color() {
    case "$1" in
        kportal) echo "blue" ;;
        lolcathost) echo "pink" ;;
        semver-generator) echo "emerald" ;;
        graphql-monitoring-proxy) echo "rose" ;;
        *) echo "gray" ;;
    esac
}

get_tag2() {
    case "$1" in
        kportal) echo "TUI" ;;
        lolcathost) echo "TUI" ;;
        semver-generator) echo "Versioning" ;;
        graphql-monitoring-proxy) echo "Monitoring" ;;
        *) echo "" ;;
    esac
}

get_tag2_color() {
    case "$1" in
        kportal) echo "purple" ;;
        lolcathost) echo "purple" ;;
        semver-generator) echo "teal" ;;
        graphql-monitoring-proxy) echo "orange" ;;
        *) echo "gray" ;;
    esac
}

get_docs_url() {
    case "$1" in
        kportal) echo "https://kportal.raczylo.com" ;;
        lolcathost) echo "https://lolcathost.raczylo.com" ;;
        graphql-monitoring-proxy) echo "https://graphql-monitoring-proxy.raczylo.com" ;;
        *) echo "" ;;
    esac
}

generate_cask_card() {
    local name="$1"
    local version="$2"
    local desc="$3"

    local icon=$(get_icon "$name")
    local colors=$(get_colors "$name")
    local tag1=$(get_tag1 "$name")
    local tag1_color=$(get_tag1_color "$name")
    local tag2=$(get_tag2 "$name")
    local tag2_color=$(get_tag2_color "$name")
    local docs_url=$(get_docs_url "$name")
    local github_url="https://github.com/lukaszraczylo/$name"

    local tags_html="<span class=\"px-2 py-1 bg-${tag1_color}-100 dark:bg-${tag1_color}-900/30 text-${tag1_color}-700 dark:text-${tag1_color}-300 rounded text-xs\">${tag1}</span>"
    if [ -n "$tag2" ]; then
        tags_html="$tags_html
                            <span class=\"px-2 py-1 bg-${tag2_color}-100 dark:bg-${tag2_color}-900/30 text-${tag2_color}-700 dark:text-${tag2_color}-300 rounded text-xs\">${tag2}</span>"
    fi

    local buttons_html=""
    if [ -n "$docs_url" ]; then
        buttons_html="<a href=\"$docs_url\" target=\"_blank\" class=\"flex-1 text-center px-3 py-2 bg-gray-100 dark:bg-gray-800 hover:bg-gray-200 dark:hover:bg-gray-700 rounded-lg text-sm font-medium transition-colors\">
                                <i class=\"fas fa-book mr-1\"></i>Docs
                            </a>
                            <a href=\"$github_url\" target=\"_blank\" class=\"flex-1 text-center px-3 py-2 bg-gray-100 dark:bg-gray-800 hover:bg-gray-200 dark:hover:bg-gray-700 rounded-lg text-sm font-medium transition-colors\">
                                <i class=\"fab fa-github mr-1\"></i>GitHub
                            </a>"
    else
        buttons_html="<a href=\"$github_url\" target=\"_blank\" class=\"flex-1 text-center px-3 py-2 bg-gray-100 dark:bg-gray-800 hover:bg-gray-200 dark:hover:bg-gray-700 rounded-lg text-sm font-medium transition-colors\">
                                <i class=\"fab fa-github mr-1\"></i>GitHub
                            </a>"
    fi

    cat << CARD_EOF
                    <!-- $name -->
                    <div class="glass p-6 rounded-xl group hover:shadow-lg transition-all duration-300">
                        <div class="flex items-start gap-4 mb-4">
                            <div class="w-12 h-12 rounded-xl bg-gradient-to-br $colors flex items-center justify-center flex-shrink-0 group-hover:scale-110 transition-transform duration-300">
                                <i class="fas $icon text-white text-lg"></i>
                            </div>
                            <div class="flex-1">
                                <h3 class="font-bold text-gray-900 dark:text-gray-100 text-lg">$name</h3>
                                <span class="text-xs text-gray-500 dark:text-gray-400">v$version</span>
                            </div>
                        </div>
                        <p class="text-sm text-gray-600 dark:text-gray-400 mb-4">$desc</p>
                        <div class="flex flex-wrap gap-2 mb-4">
                            $tags_html
                        </div>
                        <div class="flex gap-2">
                            $buttons_html
                        </div>
                        <pre class="mt-4 bg-gray-900 text-gray-100 p-3 rounded-lg text-xs overflow-x-auto"><code>brew install --cask lukaszraczylo/taps/$name</code></pre>
                    </div>

CARD_EOF
}

# Main
echo "Generating documentation from Casks..."

if [ ! -f "$INDEX_FILE" ]; then
    echo "Error: $INDEX_FILE not found"
    exit 1
fi

# Generate casks HTML to temp file
echo "" > "$TEMP_FILE"

for cask_file in "$CASKS_DIR"/*.rb; do
    if [ -f "$cask_file" ]; then
        name=$(basename "$cask_file" .rb)
        version=$(grep -m1 'version "' "$cask_file" | sed 's/.*version "\([^"]*\)".*/\1/' 2>/dev/null || echo "latest")
        desc=$(grep -m1 'desc "' "$cask_file" | sed 's/.*desc "\([^"]*\)".*/\1/' 2>/dev/null || echo "A Homebrew cask")

        generate_cask_card "$name" "$version" "$desc" >> "$TEMP_FILE"
    fi
done

# Now rebuild the index.html with the new casks content
# Read and process the file
{
    # Print everything up to and including CASKS_START
    sed -n '1,/<!-- CASKS_START -->/p' "$INDEX_FILE"
    # Print the generated casks
    cat "$TEMP_FILE"
    # Print everything from CASKS_END onwards
    sed -n '/<!-- CASKS_END -->/,$p' "$INDEX_FILE"
} > "${INDEX_FILE}.new"

mv "${INDEX_FILE}.new" "$INDEX_FILE"
rm -f "$TEMP_FILE"

echo "Documentation updated successfully!"