"""
Script 00 – Project setup.

Creates all required directories and validates that the raw input files exist.
Run once after cloning the repository.
"""

import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT))

from src.routing_engine.config import DEFAULT_CONFIG

cfg = DEFAULT_CONFIG

DIRS = [
    cfg.raw_index_dir,
    cfg.processed_dir,
    cfg.reference_dir,
    cfg.quality_dir,
    cfg.schedules_dir,
    cfg.figures_dir,
    cfg.exports_dir,
    ROOT / "outputs" / "dashboards",
]

print("Creating project directories…")
for d in DIRS:
    d.mkdir(parents=True, exist_ok=True)
    print(f"  ok  {d.relative_to(ROOT)}")

print("\nChecking raw input files…")
REQUIRED = [cfg.flight_schedule_file, cfg.aircraft_file, cfg.checks_file, cfg.airports_file]
all_ok = True
for fname in REQUIRED:
    p = cfg.raw_dir / fname
    if p.exists():
        size = p.stat().st_size
        print(f"  ok  {fname}  ({size:,} bytes)")
    else:
        print(f"  ✗  {fname}  NOT FOUND")
        all_ok = False

if all_ok:
    print("\n[OK]  Setup complete.  Run scripts in order: 01 -> 02 -> 03 -> 04.")
else:
    print("\n[!]  Some raw files are missing. Place them in the 'raw/' folder and re-run.")
    sys.exit(1)