"""
GitHub -- REST API, free token, no scopes needed for public data.
"""
import httpx
from supabase_client import require_tool_keys

BASE = "https://api.github.com"


def run(params: dict) -> dict:
    creds = require_tool_keys("github")
    token = creds["api_key"]
    headers = {"Authorization": f"token {token}", "Accept": "application/vnd.github+json"}

    mode = params.get("mode", "search")

    if mode == "org":
        org = params.get("org")
        if not org:
            raise ValueError("org is required for mode='org'")
        resp = httpx.get(f"{BASE}/orgs/{org}/repos", headers=headers, params={"per_page": 100}, timeout=15.0)
        resp.raise_for_status()
        repos = resp.json()
        results = [
            {"name": r["name"], "stars": r["stargazers_count"], "forks": r["forks_count"], "language": r["language"], "updated_at": r["updated_at"]}
            for r in repos
        ]
        return {"mode": "org", "org": org, "count": len(results), "results": results}

    if mode == "commit_activity":
        owner = params.get("owner")
        repo = params.get("repo")
        if not (owner and repo):
            raise ValueError("owner and repo are required for mode='commit_activity'")
        resp = httpx.get(f"{BASE}/repos/{owner}/{repo}/stats/commit_activity", headers=headers, timeout=15.0)
        resp.raise_for_status()
        return {"mode": "commit_activity", "owner": owner, "repo": repo, "weeks": resp.json()}

    # default: keyword search
    query = params.get("query")
    if not query:
        raise ValueError("query is required for mode='search'")
    sort = params.get("sort", "stars")
    per_page = int(params.get("per_page", 30))

    resp = httpx.get(
        f"{BASE}/search/repositories",
        headers=headers,
        params={"q": query, "sort": sort, "per_page": min(per_page, 100)},
        timeout=15.0,
    )
    resp.raise_for_status()
    items = resp.json().get("items", [])
    results = [
        {
            "name": r["full_name"],
            "description": r["description"],
            "stars": r["stargazers_count"],
            "forks": r["forks_count"],
            "language": r["language"],
            "url": r["html_url"],
        }
        for r in items
    ]
    return {"mode": "search", "count": len(results), "results": results}