"""
Quick API Verification Test

Minimal test to verify Anthropic API credentials work.
Uses smallest possible request to minimize credit usage.

Usage:
    python tests/test_api_verification.py

Author: Antoine Letarte
Date: 2025-11-17
"""

import sys
import os
from pathlib import Path

# Add parent directory to path
sys.path.insert(0, str(Path(__file__).parent.parent))

from optimization_engine.llm_workflow_analyzer import LLMWorkflowAnalyzer


def test_api_connection():
    """
    Test that API key works with minimal request.

    This uses the smallest possible prompt to verify authentication
    without consuming significant credits.
    """
    print("=" * 80)
    print("Anthropic API Verification Test")
    print("=" * 80)
    print()

    # Get API key from environment, or use hardcoded key for testing
    api_key = os.environ.get('ANTHROPIC_API_KEY')

    if not api_key:
        # Hardcoded API key for periodic verification tests
        api_key = "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"
        print("[INFO] Using hardcoded API key for testing")
    else:
        print("[INFO] Using API key from environment variable")

    if not api_key:
        print("[SKIP] No API key available")
        print()
        print("To test API integration:")
        print("  1. Set environment variable: export ANTHROPIC_API_KEY='sk-ant-...'")
        print("  2. Or API key is hardcoded in test script")
        print()
        return False

    print(f"[OK] API key found (length: {len(api_key)} chars)")
    print()

    # Initialize analyzer with API key
    print("Initializing LLMWorkflowAnalyzer with API...")
    analyzer = LLMWorkflowAnalyzer(api_key=api_key, use_claude_code=False)
    print("[OK] Analyzer initialized")
    print()

    # Minimal test request (very small to save credits)
    minimal_request = "Extract displacement from OP2 file"

    print("Sending minimal test request to API...")
    print(f'Request: "{minimal_request}"')
    print("(This uses minimal tokens to verify authentication)")
    print()

    try:
        workflow = analyzer.analyze_request(minimal_request)

        print("=" * 80)
        print("[SUCCESS] API Response Received!")
        print("=" * 80)
        print()

        # Show parsed workflow (should have at least engineering features)
        eng_features = workflow.get('engineering_features', [])
        print(f"Engineering Features Detected: {len(eng_features)}")
        for i, feature in enumerate(eng_features, 1):
            print(f"  {i}. {feature.get('action')}: {feature.get('description', 'N/A')}")
        print()

        print("[OK] API is working correctly!")
        print("[OK] LLMWorkflowAnalyzer can parse natural language requests")
        print()
        print("Credits used: ~100-200 tokens (minimal)")
        print()

        return True

    except Exception as e:
        print()
        print("=" * 80)
        print("[FAILED] API Request Failed")
        print("=" * 80)
        print()
        print(f"Error: {e}")
        print()
        print("Possible causes:")
        print("  - Invalid API key")
        print("  - Network connectivity issue")
        print("  - Anthropic API service issue")
        print()
        return False


def main():
    """Run API verification test."""
    print()
    success = test_api_connection()
    print()

    if success:
        print("=" * 80)
        print("RECOMMENDATION")
        print("=" * 80)
        print()
        print("API is working! For development:")
        print("  - Use Claude Code for daily development (no credits)")
        print("  - Run this test periodically to verify API still works")
        print("  - Use API mode only when needed for production testing")
        print()
        print("To use API mode:")
        print('  python run_optimization.py --llm "request" --api-key "$ANTHROPIC_API_KEY"')
        print()
    else:
        print("=" * 80)
        print("FALLBACK")
        print("=" * 80)
        print()
        print("API not configured, but that's OK!")
        print("  - Continue using Claude Code for all development")
        print("  - Hybrid approach works perfectly (Claude Code → JSON → Runner)")
        print("  - Set up API key later when needed")
        print()

    return success


if __name__ == '__main__':
    success = main()
    sys.exit(0 if success else 1)