from __future__ import annotations

import logging
from pathlib import Path

from review_agent.models import FileSummaryBatchAttachment

from ..paths import resolve_storage_path
from ..services.inventory import scan_files_to_items
from .base import BaseSkill, SkillResult, WorkflowContext


logger = logging.getLogger("review_agent.file_summary.skills.file_inventory")


class FileInventorySkill(BaseSkill):
    name = "file_inventory"

    def run(self, context: WorkflowContext) -> SkillResult:
        roots = [
            resolve_storage_path(binding.attachment.storage_path)
            for binding in FileSummaryBatchAttachment.objects.filter(batch=context.batch)
        ]
        logger.info(
            "File inventory started",
            extra={
                "batch_id": context.batch.pk,
                "root_count": len(roots),
                "roots": [str(root) for root in roots],
            },
        )
        items = scan_files_to_items(batch=context.batch, roots=roots)
        logger.info(
            "File inventory finished",
            extra={"batch_id": context.batch.pk, "total_files": len(items)},
        )
        return SkillResult(success=True, data={"total_files": len(items)})