#!/bin/bash
# Example usage of AI-powered scientific schematic generation
# 
# Prerequisites:
# 1. Set OPENROUTER_API_KEY environment variable
# 2. Ensure Python 3.10+ is installed
# 3. Install requests: pip install requests

set -e

echo "=========================================="
echo "Scientific Schematics - AI Generation"
echo "Example Usage Demonstrations"
echo "=========================================="
echo ""

# Check for API key
if [ -z "$OPENROUTER_API_KEY" ]; then
    echo "❌ Error: OPENROUTER_API_KEY environment variable not set"
    echo ""
    echo "Get an API key at: https://openrouter.ai/keys"
    echo "Then set it with: export OPENROUTER_API_KEY='your_key'"
    exit 1
fi

echo "✓ OPENROUTER_API_KEY is set"
echo ""

# Create output directory
mkdir -p figures
echo "✓ Created figures/ directory"
echo ""

# Example 1: Simple flowchart
echo "Example 1: CONSORT Flowchart"
echo "----------------------------"
python scripts/generate_schematic.py \
  "CONSORT participant flow diagram. Assessed for eligibility (n=500). Excluded (n=150) with reasons: age<18 (n=80), declined (n=50), other (n=20). Randomized (n=350) into Treatment (n=175) and Control (n=175). Lost to follow-up: 15 and 10. Final analysis: 160 and 165." \
  -o figures/consort_example.png \
  --iterations 3

echo ""
echo "✓ Generated: figures/consort_example.png"
echo "  - Also created: consort_example_v1.png, v2.png, v3.png"
echo "  - Review log: consort_example_review_log.json"
echo ""

# Example 2: Neural network (shorter for demo)
echo "Example 2: Simple Neural Network"
echo "--------------------------------"
python scripts/generate_schematic.py \
  "Simple feedforward neural network diagram. Input layer with 4 nodes, hidden layer with 6 nodes, output layer with 2 nodes. Show all connections. Label layers clearly." \
  -o figures/neural_net_example.png \
  --iterations 2

echo ""
echo "✓ Generated: figures/neural_net_example.png"
echo ""

# Example 3: Biological pathway (minimal)
echo "Example 3: Signaling Pathway"
echo "---------------------------"
python scripts/generate_schematic.py \
  "Simple signaling pathway: Receptor → Kinase A → Kinase B → Transcription Factor → Gene. Show arrows with 'activation' labels. Use different colors for each component." \
  -o figures/pathway_example.png \
  --iterations 2

echo ""
echo "✓ Generated: figures/pathway_example.png"
echo ""

echo "=========================================="
echo "All examples completed successfully!"
echo "=========================================="
echo ""
echo "Generated files in figures/:"
ls -lh figures/*example*.png 2>/dev/null || echo "  (Files will appear after running with valid API key)"
echo ""
echo "Review the review_log.json files to see:"
echo "  - Quality scores for each iteration"
echo "  - Detailed critiques and suggestions"
echo "  - Improvement progression"
echo ""
echo "Next steps:"
echo "  1. View the generated images"
echo "  2. Review the quality scores in *_review_log.json"
echo "  3. Try your own prompts!"
echo ""