"""Workspace summary read-model — tenant-scoped KPIs for current actor."""

from __future__ import annotations

from typing import Any

from psycopg2.extras import RealDictCursor

from db import get_connection
from tenant_context import TenantContext


def get_workspace_summary(ctx: TenantContext) -> dict[str, Any]:
    """
    Summary for workspace dashboard.

    Personal counts (current actor): open, blocked, recently done.
    Tenant-wide: active initiatives count.
    """
    if not ctx.actor_id:
        return {
            "open_actions_count": 0,
            "blocked_actions_count": 0,
            "active_initiatives_count": 0,
            "done_actions_recent_count": 0,
        }

    conn = get_connection()
    try:
        with conn.cursor(cursor_factory=RealDictCursor) as cur:
            cur.execute(
                """
                SELECT
                    COUNT(*) FILTER (
                        WHERE a.status IN ('open', 'in_progress')
                    ) AS open_actions_count,
                    COUNT(*) FILTER (
                        WHERE a.status = 'blocked'
                    ) AS blocked_actions_count,
                    COUNT(*) FILTER (
                        WHERE a.status = 'done'
                          AND a.updated_at >= NOW() - INTERVAL '7 days'
                    ) AS done_actions_recent_count
                FROM actions a
                JOIN action_assignments aa
                  ON aa.action_id = a.id AND aa.tenant_id = a.tenant_id
                WHERE a.tenant_id = %s AND aa.actor_id = %s
                """,
                (ctx.tenant_id, ctx.actor_id),
            )
            row = dict(cur.fetchone())

            cur.execute(
                """
                SELECT COUNT(*) AS active_initiatives_count
                FROM initiatives
                WHERE tenant_id = %s AND status IN ('active', 'paused')
                """,
                (ctx.tenant_id,),
            )
            initiatives_row = dict(cur.fetchone())
    finally:
        conn.close()

    return {
        "open_actions_count": int(row["open_actions_count"] or 0),
        "blocked_actions_count": int(row["blocked_actions_count"] or 0),
        "active_initiatives_count": int(initiatives_row["active_initiatives_count"] or 0),
        "done_actions_recent_count": int(row["done_actions_recent_count"] or 0),
    }