#!/usr/bin/env python3
"""Run formal acquisition, decode every coarse-hit item, and build payload drafts."""
from __future__ import annotations

import argparse
import json
from dataclasses import asdict, is_dataclass
from uuid import UUID

from acquisition.repositories.postgres import PostgresAcquisitionRepository
from acquisition.runner import DEFAULT_PLATFORMS, run_batch
from core.config import CreationDbConfig, Settings
from core.db_session import transaction
from decode_content.repositories.postgres import PostgresDecodeRepository
from decode_content.service import DecodeService
from pipeline.decode_runner import run_decode_stage


def _model_dump(value):
    if hasattr(value, "model_dump"):
        return value.model_dump(mode="json")
    if is_dataclass(value):
        return asdict(value)
    if isinstance(value, dict):
        return value
    return dict(value)


def _dry_ingest_payloads(repo: PostgresDecodeRepository, outputs: list) -> list[dict]:
    records: list[dict] = []
    for output in outputs:
        for draft in output.payload_drafts:
            if draft.id is None:
                continue
            repo.mark_payload_draft_ingested(draft.id)
            record = repo.save_ingest_record(
                payload_draft_id=draft.id,
                target_system="dry-run",
                target_id=str(draft.id),
                status="ingested",
                response_payload={
                    "dry_run": True,
                    "note": "payload generated by formal creation pipeline; external ingest API not called",
                    "payload": draft.payload,
                },
            )
            records.append(_model_dump(record))
    return records


def parse_args(argv: list[str] | None = None) -> argparse.Namespace:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--batch-id", required=True, help="Formal query batch UUID")
    parser.add_argument(
        "--platform",
        action="append",
        choices=DEFAULT_PLATFORMS,
        help="Platform to run. Repeat to run multiple platforms. Default: all.",
    )
    parser.add_argument("--search-limit", type=int, default=10)
    parser.add_argument("--display-limit", type=int, default=5)
    parser.add_argument("--decode-limit", type=int, default=100)
    parser.add_argument("--run-key")
    parser.add_argument("--env-file", default=".env")
    parser.add_argument("--no-resume", action="store_true")
    parser.add_argument("--no-skip-done", action="store_true")
    parser.add_argument("--no-dry-ingest-record", action="store_true")
    return parser.parse_args(argv)


def main(argv: list[str] | None = None) -> int:
    args = parse_args(argv)
    settings = Settings.from_env(args.env_file)
    db_config = CreationDbConfig.from_env(args.env_file)
    platforms = tuple(args.platform or DEFAULT_PLATFORMS)
    batch_id = UUID(args.batch_id)

    with transaction(db_config) as conn:
        acquisition_repo = PostgresAcquisitionRepository(conn)
        acquisition = run_batch(
            acquisition_repo,
            batch_id=batch_id,
            settings=settings,
            platforms=platforms,
            search_limit=args.search_limit,
            display_limit=args.display_limit,
            classify=True,
            resume=not args.no_resume,
            skip_done=not args.no_skip_done,
            run_key=args.run_key,
        )

    with transaction(db_config) as conn:
        acquisition_repo = PostgresAcquisitionRepository(conn)
        decode_repo = PostgresDecodeRepository(conn)
        decode_service = DecodeService(settings=settings, repository=decode_repo)
        decode = run_decode_stage(
            candidate_repo=acquisition_repo,
            decode_service=decode_service,
            run_id=acquisition.run_id,
            limit=args.decode_limit,
        )
        ingest_records = [] if args.no_dry_ingest_record else _dry_ingest_payloads(decode_repo, decode.outputs)

    print(json.dumps(
        {
            "batch_id": str(batch_id),
            "run_id": str(acquisition.run_id),
            "platforms": list(platforms),
            "acquisition": _model_dump(acquisition),
            "decode": _model_dump(decode),
            "dry_ingest_records": ingest_records,
        },
        ensure_ascii=False,
        default=str,
        indent=2,
    ))
    return 0


if __name__ == "__main__":
    raise SystemExit(main())