"""
main.py
Unified Command-Line Interface (CLI) Entry Point for HIFFI Artist Intelligence Pipeline.

Supported Commands:
  python main.py run           # Run the batch ingestion and signal merge pipeline
  python main.py audit         # Run automated anomaly detection and data health checks
  python main.py report        # Print the executive provenance and ranking report
  python main.py test          # Execute the automated Pytest governance suite
  python main.py all           # Run complete end-to-end pipeline (audit -> test -> report)
"""

import sys
import argparse
import subprocess
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parent
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

from core.health_detector import PipelineHealthDetector
from pipeline.batch_500_runner import BatchMultiPlatformRunner


def cmd_run(args):
    """Executes the batch ingestion and multi-platform scoring pipeline."""
    print("\n[HIFFI CLI] Initializing Multi-Platform Batch Runner...")
    runner = BatchMultiPlatformRunner("enriched_artists.csv")
    runner.run_full_pipeline(batch_size=args.batch_size, delay_range=(0.5, 1.0))


def cmd_audit(args):
    """Runs automated health checks and anomaly detection."""
    print("\n[HIFFI CLI] Executing Automated Pipeline Health Detector...")
    detector = PipelineHealthDetector()
    detector.print_diagnostic_report()


def cmd_report(args):
    """Prints executive ranking and data provenance summaries."""
    print("\n[HIFFI CLI] Generating Executive Provenance Report...")
    report_script = PROJECT_ROOT / "pipeline" / "generate_report.py"
    subprocess.run([sys.executable, str(report_script)], check=True)


def cmd_test(args):
    """Executes the pytest QA test suite."""
    print("\n[HIFFI CLI] Running QA Governance Test Suite...")
    test_file = PROJECT_ROOT / "test_multiplatform_ranking.py"
    cmd = [sys.executable, "-m", "pytest", "-v" if args.verbose else "-q", str(test_file)]
    subprocess.run(cmd, check=True)


def cmd_all(args):
    """Executes end-to-end workflow: Audit -> Pytest -> Report."""
    print("\n" + "=" * 80)
    print("HIFFI PIPELINE: EXECUTING FULL END-TO-END VALIDATION & REPORTING")
    print("=" * 80)

    # 1. Health Audit
    cmd_audit(args)

    # 2. Pytest Governance Check
    cmd_test(args)

    # 3. Final Report
    cmd_report(args)


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(
        prog="hiffi",
        description="HIFFI Multi-Platform Artist Intelligence Data Pipeline CLI",
        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
    )
    subparsers = parser.add_subparsers(dest="command", required=True, help="Pipeline action to execute")

    # Command: run
    p_run = subparsers.add_parser("run", help="Run batch ingestion & multi-platform scoring")
    p_run.add_argument("--batch-size", type=int, default=15, help="Batch size for checkpoint saves")
    p_run.set_defaults(func=cmd_run)

    # Command: audit
    p_audit = subparsers.add_parser("audit", help="Run automated anomaly detection & health checks")
    p_audit.set_defaults(func=cmd_audit)

    # Command: report
    p_report = subparsers.add_parser("report", help="Display executive movers & provenance report")
    p_report.set_defaults(func=cmd_report)

    # Command: test
    p_test = subparsers.add_parser("test", help="Run the automated QA test suite")
    p_test.add_argument("-v", "--verbose", action="store_true", help="Verbose pytest output")
    p_test.set_defaults(func=cmd_test)

    # Command: all
    p_all = subparsers.add_parser("all", help="Execute complete health check, QA suite, and executive report")
    p_all.add_argument("-v", "--verbose", action="store_true", help="Verbose pytest output")
    p_all.set_defaults(func=cmd_all)

    return parser


def main():
    parser = build_parser()
    args = parser.parse_args()
    args.func(args)


if __name__ == "__main__":
    main()