"""dataset_builder.py — standalone entry-point.

Collects data from all configured online sources and writes the final
instruction-following JSONL dataset ready for training.

For full control over which sources and limits to use, prefer:
    python scripts/collect_data.py --sources reliefweb usgs gdacs --max-per-source 5000
"""

from __future__ import annotations

import logging
from pathlib import Path

logging.basicConfig(level=logging.INFO, format="%(asctime)s | %(levelname)s | %(message)s")
logger = logging.getLogger(__name__)


DEFAULT_LIMITS: dict[str, int] = {
    "reliefweb": 5000,
    "usgs": 20000,
    "gdacs": 2000,
    "noaa": 5000,
    "openfema": 20000,
    "who": 1000,
}


def main() -> None:
    from worlddisasterlm.data.etl import DisasterETL
    from worlddisasterlm.data.qa_generator import generate_qa_pairs
    from worlddisasterlm.data.scenario_builder import build_all_scenarios
    from worlddisasterlm.data.processors import save_instruction_dataset

    # Try live collection; fall back to stub if network is unavailable
    all_records = []
    for source, limit in DEFAULT_LIMITS.items():
        try:
            if source == "reliefweb":
                from worlddisasterlm.data.collectors.reliefweb import collect_reliefweb
                all_records.extend(collect_reliefweb(max_records=limit))
            elif source == "usgs":
                from worlddisasterlm.data.collectors.usgs import collect_usgs
                all_records.extend(collect_usgs(max_records=limit))
            elif source == "gdacs":
                from worlddisasterlm.data.collectors.gdacs import collect_gdacs
                all_records.extend(collect_gdacs(max_records=limit))
            elif source == "noaa":
                from worlddisasterlm.data.collectors.noaa import collect_noaa
                all_records.extend(collect_noaa(max_records=limit))
            elif source == "openfema":
                from worlddisasterlm.data.collectors.openfema import collect_openfema
                all_records.extend(collect_openfema(max_records=limit))
            elif source == "who":
                from worlddisasterlm.data.collectors.who_rss import collect_who
                all_records.extend(collect_who(max_records=limit))
            logger.info("%-12s collected %d total records so far", source, len(all_records))
        except Exception as exc:
            logger.warning("Source %s failed (%s). Continuing with remaining sources.", source, exc)

    if not all_records:
        logger.warning("No online records collected. Using stub data for offline testing.")
        from worlddisasterlm.data.etl import DisasterETL
        etl = DisasterETL()
        all_records = etl.normalize(etl.deduplicate(etl.collect_records()))
    else:
        from worlddisasterlm.data.etl import DisasterETL
        etl = DisasterETL()
        all_records = etl.deduplicate(all_records)
        all_records = etl.normalize(all_records)

    logger.info("Total normalized records: %d", len(all_records))

    qa_samples = generate_qa_pairs(all_records)
    qa_samples.extend(build_all_scenarios())
    logger.info("Total instruction samples: %d", len(qa_samples))

    output_path = Path("data/processed/instruction_dataset.jsonl")
    save_instruction_dataset(qa_samples, str(output_path))
    logger.info("Dataset saved: %s", output_path)


if __name__ == "__main__":
    main()