"""
Build CO1CO01M.000 directly from dimar_ayudas_barranquilla.csv
without needing a QGIS project file.
"""
import sys, json
from pathlib import Path

# Import S57CellWriter from converter (it's defined there)
sys.path.insert(0, str(Path(__file__).parent))
from converter import S57CellWriter

# ── paths ─────────────────────────────────────────────────────────────────────
HERE   = Path(__file__).parent
CSV    = HERE / "dimar_ayudas_barranquilla.csv"
CONFIG = HERE / "cell_config.json"
OUTPUT = HERE / "dist" / "CO1CO01M" / "CO1CO01M.000"

# ── load config ───────────────────────────────────────────────────────────────
with open(CONFIG, encoding="utf-8") as f:
    cfg = json.load(f)

# Update issue date and ensure correct cell name
cfg["cell_name"]    = "CO1CO01M"
cfg["issue_date"]   = "20260430"
cfg["update_number"] = 1

# ── build ─────────────────────────────────────────────────────────────────────
OUTPUT.parent.mkdir(parents=True, exist_ok=True)

attr_map = cfg.get("attribute_mappings", {})

print(f"Input:  {CSV}")
print(f"Output: {OUTPUT}")
print()

writer = S57CellWriter(str(OUTPUT), cfg)
writer.open()

count = writer.add_features_from_csv(
    CSV,
    "BOYLAT",          # default class (overridden per-row by feat_type column)
    attr_map,
    x_field="lon",
    y_field="lat",
)

writer.close()
writer.summary()

print(f"\n✓  {count} feature(s) written")
print(f"   {OUTPUT}  ({OUTPUT.stat().st_size // 1024} KB)")