from __future__ import annotations

import argparse
import subprocess
import sys
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
DEFAULT_METADATA = ROOT / "plugins" / "1c" / "metadata" / "examples" / "metadata.example.json"
DEFAULT_BSL_MODULES = ROOT / "plugins" / "1c" / "metadata" / "examples" / "bsl-modules.example.json"
DEFAULT_SOURCE_DIR = ROOT / "plugins" / "1c" / "rag" / "sources"
DEFAULT_CORPUS = ROOT / "plugins" / "1c" / "datasets" / "prepared" / "rag_corpus.jsonl"
DEFAULT_MANIFEST = ROOT / "plugins" / "1c" / "datasets" / "prepared" / "rag_manifest.json"
DEFAULT_INDEX = ROOT / "plugins" / "1c" / "datasets" / "prepared" / "rag_index.json"
DEFAULT_VECTOR_INDEX = ROOT / "plugins" / "1c" / "datasets" / "prepared" / "rag_vector_index.sqlite"


def run(command: list[str]) -> None:
    print(" ".join(command))
    result = subprocess.run(command, cwd=ROOT, text=True, check=False)
    if result.returncode != 0:
        raise SystemExit(result.returncode)


def main() -> int:
    parser = argparse.ArgumentParser(description="Build the 1C RAG knowledge base.")
    parser.add_argument("--metadata", type=Path, default=DEFAULT_METADATA)
    parser.add_argument("--bsl-modules", type=Path, help="Optional BSL module snapshot JSON.")
    parser.add_argument("--source-dir", type=Path, default=DEFAULT_SOURCE_DIR)
    parser.add_argument("--corpus", type=Path, default=DEFAULT_CORPUS)
    parser.add_argument("--manifest", type=Path, default=DEFAULT_MANIFEST)
    parser.add_argument("--index", type=Path, default=DEFAULT_INDEX)
    parser.add_argument("--vector-index", type=Path, default=DEFAULT_VECTOR_INDEX)
    parser.add_argument("--skip-vector-index", action="store_true")
    parser.add_argument(
        "--include-example-bsl",
        action="store_true",
        help="Use the bundled BSL example when --bsl-modules is not provided.",
    )
    args = parser.parse_args()

    metadata_output = args.source_dir / f"{args.metadata.stem}.metadata.md"
    run([sys.executable, "scripts/validate_1c_metadata_snapshot.py", str(args.metadata)])
    run(
        [
            sys.executable,
            "scripts/convert_1c_metadata_to_rag.py",
            "--input",
            str(args.metadata),
            "--output",
            str(metadata_output),
        ]
    )

    bsl_modules = args.bsl_modules
    if bsl_modules is None and args.include_example_bsl:
        bsl_modules = DEFAULT_BSL_MODULES
    if bsl_modules:
        bsl_output = args.source_dir / f"{bsl_modules.stem}.bsl.md"
        run([sys.executable, "scripts/validate_1c_bsl_modules.py", str(bsl_modules)])
        run(
            [
                sys.executable,
                "scripts/convert_1c_bsl_modules_to_rag.py",
                "--input",
                str(bsl_modules),
                "--output",
                str(bsl_output),
            ]
        )

    run([sys.executable, "scripts/validate_1c_rag_sources.py", "--source-dir", str(args.source_dir)])
    run(
        [
            sys.executable,
            "scripts/prepare_1c_rag_corpus.py",
            "--source-dir",
            str(args.source_dir),
            "--output",
            str(args.corpus),
            "--manifest",
            str(args.manifest),
        ]
    )
    run(
        [
            sys.executable,
            "scripts/build_1c_rag_index.py",
            "--corpus",
            str(args.corpus),
            "--output",
            str(args.index),
        ]
    )
    if not args.skip_vector_index:
        run(
            [
                sys.executable,
                "scripts/build_1c_rag_vector_index.py",
                "--corpus",
                str(args.corpus),
                "--output",
                str(args.vector_index),
            ]
        )
    print(f"Built 1C knowledge base: {args.index}")
    if not args.skip_vector_index:
        print(f"Built 1C vector index: {args.vector_index}")
    return 0


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