#!/usr/bin/env bash
set -euo pipefail

# Run from repository root.
# First run downloads two sheets only. Increase --limit after confirming overlays look sane.

python -m bgtopo_poc.cli inventory \
  --config configs/blue_detector.yaml \
  --out data/manifest.csv \
  --limit 2

python -m bgtopo_poc.cli download \
  --manifest data/manifest.csv \
  --out-dir data/raw \
  --out-manifest data/manifest_downloaded.csv \
  --limit 2

python - <<'PY'
import pandas as pd
from pathlib import Path
m = pd.read_csv('data/manifest_downloaded.csv')
for _, r in m.iterrows():
    sid = r['sheet_id']
    Path('data/interim/candidates').mkdir(parents=True, exist_ok=True)
    print(f"Scanning {sid}")
PY

while IFS=, read -r sheet_id map_url tif_url map_path tif_path; do
  if [[ "$sheet_id" == "sheet_id" ]]; then continue; fi
  python -m bgtopo_poc.cli detect \
    --config configs/blue_detector.yaml \
    --sheet-id "$sheet_id" \
    --map "$map_path" \
    --tif "$tif_path" \
    --out-dir data/interim/candidates

  python -m bgtopo_poc.cli overlay \
    --tif "$tif_path" \
    --candidates "data/interim/candidates/${sheet_id}_candidates.csv" \
    --out "reports/overlays/${sheet_id}_overlay.png"

done < data/manifest_downloaded.csv

python -m bgtopo_poc.cli report \
  --candidates data/interim/candidates/*_candidates.csv \
  --overlays reports/overlays/*_overlay.png \
  --out reports/poc_report.html

echo "Open reports/poc_report.html"