"""
Ricerca nei file wiki
"""

import re
from pathlib import Path
from typing import List, Dict
import config


def search_wiki(query: str, limit: int = 20) -> List[Dict]:
    """Cerca nei contenuti delle pagine wiki."""
    results = []
    wiki_root = config.WIKI_ROOT

    query_lower = query.lower()

    for md_file in wiki_root.glob("wiki/**/*.md"):
        if md_file.name in ["index.md", "log.md"]:
            continue

        try:
            content = md_file.read_text(encoding="utf-8").lower()
            if query_lower in content:
                # Trova le linee con il match
                lines = md_file.read_text(encoding="utf-8").split("\n")
                matches = []
                for i, line in enumerate(lines):
                    if query_lower in line.lower():
                        matches.append({
                            "line": i + 1,
                            "text": line.strip()[:200]
                        })

                results.append({
                    "file": str(md_file.relative_to(wiki_root)),
                    "name": md_file.stem,
                    "category": md_file.parent.name,
                    "matches": matches[:5]  # max 5 match per file
                })

                if len(results) >= limit:
                    break

        except Exception:
            continue

    return results


def search_by_name(query: str) -> List[Dict]:
    """Cerca per nome file/titolo."""
    results = []
    wiki_root = config.WIKI_ROOT
    query_lower = query.lower()

    for md_file in wiki_root.glob("wiki/**/*.md"):
        if md_file.name in ["index.md", "log.md"]:
            continue

        name_lower = md_file.stem.lower()
        if query_lower in name_lower:
            results.append({
                "file": str(md_file.relative_to(wiki_root)),
                "name": md_file.stem,
                "category": md_file.parent.name
            })

    return results


def get_recent_pages(limit: int = 10) -> List[Dict]:
    """Returns the most recently modified pages."""
    results = []
    wiki_root = config.WIKI_ROOT

    files_with_mtime = []
    for md_file in wiki_root.glob("wiki/**/*.md"):
        if md_file.name in ["index.md", "log.md"]:
            continue
        mtime = md_file.stat().st_mtime
        files_with_mtime.append((mtime, md_file))

    files_with_mtime.sort(reverse=True)

    for mtime, md_file in files_with_mtime[:limit]:
        results.append({
            "file": str(md_file.relative_to(wiki_root)),
            "name": md_file.stem,
            "category": md_file.parent.name,
            "mtime": mtime
        })

    return results