from __future__ import annotations

import os
import sys
from pathlib import Path

REPO_ROOT = Path(__file__).resolve().parents[1]
if str(REPO_ROOT) not in sys.path:
    sys.path.insert(0, str(REPO_ROOT))

from src.services.customization_service import customize_presentation


def main() -> int:
    repo_root = REPO_ROOT
    template = repo_root / "templates" / "base_template.pptx"

    backend = os.getenv("MODEL_BACKEND", "llama.cpp")
    os.environ.setdefault("MODEL_BACKEND", backend)

    if backend == "llama.cpp" and not os.getenv("LLAMA_CPP_MODEL_PATH"):
        candidates = [
            repo_root / "models" / "gemma-4-12b-it-Q4_K_M.gguf",
            repo_root / "models" / "Gemma-4-12b-it-Q4_K_M.gguf",
            repo_root / "models" / "Qwen2.5-0.5B-Instruct-Q4_K_M.gguf",
        ]
        for candidate in candidates:
            if candidate.exists():
                os.environ["LLAMA_CPP_MODEL_PATH"] = str(candidate)
                break

    output = customize_presentation(
        str(template),
        "Create a compact 3-slide executive summary about smart warehousing automation.",
    )

    output_path = Path(output)
    print(f"backend={backend}")
    print(f"generated={output_path}")
    print(f"exists={output_path.exists()}")
    return 0 if output_path.exists() else 1


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