#!/bin/bash

# ============================================
# Generate Hugo Playlist Pages from JSON
# ============================================

DATA_FILE="data/playlists/playlists.json"
CONTENT_DIR="content/playlists"

# Check if data file exists
if [ ! -f "$DATA_FILE" ]; then
    echo "❌ Error: $DATA_FILE not found. Run fetch-playlist.sh first."
    exit 1
fi

# Create content directory
mkdir -p "$CONTENT_DIR"

# Create _index.md if it doesn't exist
if [ ! -f "$CONTENT_DIR/_index.md" ]; then
    cat > "$CONTENT_DIR/_index.md" << 'EOF'
---
title: "Playlists"
---
EOF
fi

# Clear old playlist pages (keep _index.md)
find "$CONTENT_DIR" -maxdepth 1 -type f -name "*.md" ! -name "_index.md" -delete

# Process each playlist
cat "$DATA_FILE" | jq -c '.playlists[]' | while read -r playlist; do
    NAME=$(echo "$playlist" | jq -r '.name // "Untitled Playlist"')
    SLUG=$(echo "$NAME" | tr ' ' '-' | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9-]//g' | sed 's/--*/-/g' | sed 's/^-//;s/-$//')
    
    # If slug is empty, use the ID
    if [ -z "$SLUG" ] || [ "$SLUG" = "untitled-playlist" ]; then
        SLUG=$(echo "$playlist" | jq -r '.id' | head -c 12)
    fi
    
    DESCRIPTION=$(echo "$playlist" | jq -r '.description // ""')
    IMAGE=$(echo "$playlist" | jq -r '.image // ""')
    TRACKS=$(echo "$playlist" | jq -c '.tracks')
    PLAYLIST_ID=$(echo "$playlist" | jq -r '.id')
    CREATED_AT=$(echo "$playlist" | jq -r '.created_at')
    
    # Convert created_at to date
    CREATED_DATE=$(date -d "@$CREATED_AT" "+%Y-%m-%d" 2>/dev/null || echo $(date "+%Y-%m-%d"))
    
    cat > "$CONTENT_DIR/$SLUG.md" <<EOF
---
title: "$NAME"
date: $CREATED_DATE
draft: false
playlist_id: "$PLAYLIST_ID"
playlist_description: "$DESCRIPTION"
playlist_image: "$IMAGE"
playlist_tracks: $TRACKS
playlist_created_at: $CREATED_AT
---
EOF
    
    echo "✅ Generated: $CONTENT_DIR/$SLUG.md"
done

echo ""
echo "📊 Generated $(find "$CONTENT_DIR" -maxdepth 1 -type f -name "*.md" ! -name "_index.md" | wc -l) playlist pages"