import json
from mcp.server.fastmcp import FastMCP
from mcp.types import TextContent, Annotations, EmbeddedResource, TextResourceContents
from strava_mcp_server.strava_client import StravaClient


def _resource(uri: str, data) -> EmbeddedResource:
    return EmbeddedResource(
        type="resource",
        resource=TextResourceContents(
            uri=uri, mimeType="application/json", text=json.dumps(data, indent=2)
        ),
        annotations=Annotations(audience=["assistant"]),
    )


def _user_text(text: str) -> TextContent:
    return TextContent(
        type="text", text=text, annotations=Annotations(audience=["user"])
    )


def register(mcp: FastMCP, strava: StravaClient) -> None:
    @mcp.tool()
    async def list_athlete_clubs():
        """
        List clubs that the authenticated athlete belongs to.
        Returns club name, sport type, member count, and city.
        """
        try:
            clubs = await strava.get_athlete_clubs()
            data = [
                {
                    "id": c.get("id"),
                    "name": c.get("name"),
                    "sport_type": c.get("sport_type"),
                    "city": c.get("city"),
                    "country": c.get("country"),
                    "member_count": c.get("member_count"),
                    "private": c.get("private", False),
                }
                for c in clubs
            ]
            if not data:
                md = "### 🏘️ Keine Clubs gefunden."
            else:
                md = f"### 🏘️ Clubs ({len(data)})\n"
                md += "| Name | Sport | Mitglieder | Ort |\n"
                md += "|------|-------|------------|-----|\n"
                for c in data:
                    loc = ", ".join(filter(None, [c["city"], c["country"]])) or "N/A"
                    md += f"| {c['name']} | {c['sport_type'] or 'N/A'} | {c['member_count']} | {loc} |\n"
            return [_user_text(md.strip()), _resource("internal://clubs/list", data)]
        except Exception as e:
            return [TextContent(type="text", text=f"Error fetching clubs: {str(e)}")]

    @mcp.tool()
    async def get_club(club_id: int):
        """
        Get detailed information about a specific Strava club.
        :param club_id: The numeric ID of the club.
        """
        try:
            return await strava.get_club(club_id)
        except Exception as e:
            return f"Error fetching club: {str(e)}"

    @mcp.tool()
    async def get_club_activities(club_id: int, limit: int = 30):
        """
        List recent activities uploaded by members of a specific club.
        :param club_id: The numeric ID of the club.
        :param limit: Number of activities to return (default 30).
        """
        try:
            activities = await strava.get_club_activities(club_id, per_page=limit)
            data = [
                {
                    "name": a.get("name"),
                    "sport_type": a.get("sport_type") or a.get("type"),
                    "distance": f"{a.get('distance', 0) / 1000:.2f} km",
                    "moving_time": f"{a.get('moving_time', 0) / 60:.1f} min",
                    "total_elevation_gain": f"{a.get('total_elevation_gain', 0):.0f} m",
                    "athlete": f"{a.get('athlete', {}).get('firstname')} {a.get('athlete', {}).get('lastname')}",
                }
                for a in activities
            ]
            if not data:
                md = "### 🚴 Keine Club-Aktivitäten gefunden."
            else:
                md = f"### 🚴 Club-Aktivitäten ({len(data)})\n"
                md += "| Athlet | Sport | Name | Distanz | Zeit |\n"
                md += "|--------|-------|------|---------|------|\n"
                for a in data:
                    md += f"| {a['athlete']} | {a['sport_type']} | {a['name']} | {a['distance']} | {a['moving_time']} |\n"
            return [
                _user_text(md.strip()),
                _resource(f"internal://clubs/{club_id}/activities", data),
            ]
        except Exception as e:
            return [
                TextContent(
                    type="text", text=f"Error fetching club activities: {str(e)}"
                )
            ]

    @mcp.tool()
    async def get_club_members(club_id: int, limit: int = 30):
        """
        List members of a specific Strava club.
        :param club_id: The numeric ID of the club.
        :param limit: Number of members to return (default 30).
        """
        try:
            members = await strava.get_club_members(club_id, per_page=limit)
            data = [
                {
                    "id": m.get("id"),
                    "name": f"{m.get('firstname')} {m.get('lastname')}",
                    "city": m.get("city"),
                    "country": m.get("country"),
                }
                for m in members
            ]
            if not data:
                md = "### 👥 Keine Mitglieder gefunden."
            else:
                md = f"### 👥 Mitglieder ({len(data)})\n"
                md += "| Name | Ort |\n|------|-----|\n"
                for m in data:
                    loc = ", ".join(filter(None, [m["city"], m["country"]])) or "N/A"
                    md += f"| {m['name']} | {loc} |\n"
            return [
                _user_text(md.strip()),
                _resource(f"internal://clubs/{club_id}/members", data),
            ]
        except Exception as e:
            return [
                TextContent(type="text", text=f"Error fetching club members: {str(e)}")
            ]