#!/bin/bash
# Test Impressive - Python PDF presenter with native auto-advance

echo "=========================================="
echo "  Test: Impressive PDF Presenter"
echo "=========================================="
echo ""
echo "Impressive is a Python-based PDF presenter with"
echo "BUILT-IN auto-advance. No xdotool needed!"
echo ""

# Check if impressive is installed
if ! command -v impressive &> /dev/null; then
    echo "Impressive not installed. Installing..."
    echo ""
    sudo apt-get update
    sudo apt-get install -y impressive
    
    if [ $? -ne 0 ]; then
        echo "Error: Could not install impressive"
        exit 1
    fi
fi

echo "Impressive installed: $(which impressive)"
echo ""

# Convert PPTX to PDF
cd ~/infoscreen-dev
PPTX=$(find src/presentation -name "*.pptx" | head -1)

if [ -z "$PPTX" ]; then
    echo "Error: No PPTX file found"
    exit 1
fi

PDF="/tmp/impressive_test.pdf"
echo "Converting PPTX to PDF..."
libreoffice --headless --convert-to pdf --outdir /tmp "$PPTX" > /dev/null 2>&1

PPTX_BASE=$(basename "$PPTX" .pptx)
ACTUAL_PDF="/tmp/${PPTX_BASE}.pdf"

if [ -f "$ACTUAL_PDF" ]; then
    cp "$ACTUAL_PDF" "$PDF"
fi

if [ ! -f "$PDF" ]; then
    echo "Error: PDF conversion failed"
    exit 1
fi

PAGE_COUNT=$(pdfinfo "$PDF" 2>/dev/null | grep "Pages:" | awk '{print $2}')
echo "[OK] PDF ready: $PAGE_COUNT pages"
echo ""

echo "Starting Impressive with 3-second auto-advance..."
echo ""
echo "Impressive features:"
echo "  - Native auto-advance (no xdotool!)"
echo "  - Fullscreen by default"
echo "  - Professional transitions"
echo "  - Loop support"
echo ""
echo "Controls:"
echo "  Right Arrow / Space = Next slide"
echo "  Left Arrow = Previous slide"
echo "  Q / Escape = Quit"
echo ""

sleep 2

# Start Impressive with auto-advance
# --auto 3 = auto-advance every 3 seconds
# --fullscreen = fullscreen mode
# --nooverview = skip overview at start
# --autoquit = quit after last slide (for non-loop mode)

impressive \
    --fullscreen \
    --auto 3 \
    --nooverview \
    --autoquit \
    "$PDF"

echo ""
echo "=========================================="
echo "  Test Complete"
echo "=========================================="
echo ""
read -p "Did it work perfectly? (y/n): " worked

if [ "$worked" = "y" ]; then
    echo ""
    echo "✅ EXCELLENT! Impressive is your solution!"
    echo ""
    echo "Why Impressive is perfect:"
    echo "  ✅ Built-in auto-advance (no xdotool hacks)"
    echo "  ✅ Reliable on Raspberry Pi"
    echo "  ✅ Professional presenter tool"
    echo "  ✅ Supports loop mode natively"
    echo "  ✅ Fast and lightweight"
    echo ""
    echo "Next steps:"
    echo "  1. Update Display Manager to use Impressive"
    echo "  2. Simple command: impressive --auto N --fullscreen file.pdf"
    echo "  3. Works for both PPTX (convert to PDF) and PDF files"
else
    echo ""
    echo "What didn't work?"
    read -p "Describe the issue: " issue
    echo "Issue: $issue"
fi

rm -f "$PDF"