import httpx
from fastapi import APIRouter, Depends, Query
from sqlalchemy import text

from . import vault
from .auth import require_token
from .db import get_db

# The MEGA admin — back-office cockpit, all admin-gated. Inspired by WowPlatter's wp-admin nav
# (Dashboard / Inventory / Orders / Import / Sales / Reports), but on RecordGod's own data.
router = APIRouter(prefix="/admin", tags=["admin"])


@router.get("/stats")
async def stats(ident=Depends(require_token), db=Depends(get_db)):
    s = ident["store_id"]
    row = (await db.execute(text("""
        SELECT
          (SELECT count(*) FROM inventory WHERE store_id=:s)                              AS items,
          (SELECT count(*) FROM inventory WHERE store_id=:s AND in_stock)                 AS in_stock,
          (SELECT count(*) FROM inventory WHERE store_id=:s AND kind='vinyl')             AS vinyl,
          (SELECT count(*) FROM inventory WHERE store_id=:s AND kind<>'vinyl')            AS other_goods,
          (SELECT coalesce(sum(price),0)::float FROM inventory WHERE store_id=:s AND in_stock) AS stock_value,
          (SELECT count(*) FROM inventory WHERE staged)                                   AS staged,
          (SELECT count(*) FROM crate)                                                    AS crates,
          (SELECT count(*) FROM sales)                                                    AS sales,
          (SELECT coalesce(sum(total),0)::float FROM sales)                               AS sales_total
    """), {"s": s})).mappings().first()
    return {"ok": True, **dict(row)}


@router.get("/inventory")
async def inventory(q: str = Query(""), kind: str = Query(""), crate_id: int | None = Query(None),
                    page: int = Query(1, ge=1), ident=Depends(require_token), db=Depends(get_db)):
    per = 50
    where = ["i.store_id = :s"]
    params = {"s": ident["store_id"], "per": per, "off": (page - 1) * per}
    if q:
        where.append("(i.sku ILIKE :q OR coalesce(i.title,dc.title) ILIKE :q OR dc.artist ILIKE :q)")
        params["q"] = f"%{q}%"
    if kind:
        where.append("i.kind = :k")
        params["k"] = kind
    if crate_id:
        where.append("i.crate_id = :cid")
        params["cid"] = crate_id
    w = " AND ".join(where)
    items = [dict(r) for r in (await db.execute(text(f"""
        SELECT i.sku, i.kind, i.release_id, coalesce(i.title, dc.title) AS title, dc.artist,
               i.price::float AS price, i.condition, i.in_stock, i.crate_id,
               c.label_text AS crate, dc.thumb, i.target_price::float AS target
        FROM inventory i
        LEFT JOIN disc_cache dc ON dc.release_id = i.release_id
        LEFT JOIN crate c ON c.id = i.crate_id
        WHERE {w}
        ORDER BY i.updated_at DESC NULLS LAST
        LIMIT :per OFFSET :off
    """), params)).mappings()]
    cparams = {k: v for k, v in params.items() if k not in ("per", "off")}
    total = (await db.execute(text(
        f"SELECT count(*) FROM inventory i LEFT JOIN disc_cache dc ON dc.release_id=i.release_id WHERE {w}"
    ), cparams)).scalar()
    return {"ok": True, "items": items, "page": page, "per": per, "total": total}


@router.get("/crates")
async def crates(ident=Depends(require_token), db=Depends(get_db)):
    rows = await db.execute(text("""
        SELECT c.id, c.name, c.label_text, c.purpose,
               count(i.sku) FILTER (WHERE i.in_stock) AS items,
               coalesce(sum(i.price) FILTER (WHERE i.in_stock), 0)::float AS value
        FROM crate c LEFT JOIN inventory i ON i.crate_id = c.id
        GROUP BY c.id, c.name, c.label_text, c.purpose
        ORDER BY items DESC NULLS LAST, c.id
    """))
    return {"ok": True, "crates": [dict(r) for r in rows.mappings()]}


@router.get("/storemap")
async def storemap(ident=Depends(require_token), db=Depends(get_db)):
    """Top-down store map: room + racks + crates at their real positions, with live item counts.
    Powers the clickable store-navigator (the WowPlatter 'Search' workstation, RecordGod-side)."""
    sp = (await db.execute(text(
        "SELECT * FROM virtual_space WHERE visible='y' ORDER BY (is_default='y') DESC LIMIT 1"
    ))).mappings().first()
    space = {"room_width": float(sp["room_width"] or 12), "room_depth": float(sp["room_depth"] or 12)} if sp else {"room_width": 12, "room_depth": 12}
    ctypes = {r["id"]: {"w": float(r["width"] or 0.35), "d": float(r["depth"] or 0.5)}
              for r in (await db.execute(text("SELECT id, width, depth FROM virtual_crate_type"))).mappings()}
    crates = [dict(r) for r in (await db.execute(text("""
        SELECT c.id, c.name, c.label_text, c.crate_purpose, c.crate_type_id,
               c.pos_x::float AS x, c.pos_z::float AS z, c.rotation_y::float AS rot,
               (SELECT count(*) FROM inventory i WHERE i.crate_id = c.id AND i.in_stock) AS items
        FROM virtual_crate c WHERE c.visible='y'
    """))).mappings()]
    racks = [dict(r) for r in (await db.execute(text("""
        SELECT r.pos_x::float AS x, r.pos_z::float AS z, r.rotation_y::float AS rot,
               rt.width::float AS w, rt.depth::float AS d
        FROM virtual_rack r LEFT JOIN virtual_rack_type rt ON rt.id = r.rack_type_id
        WHERE r.visible='y'
    """))).mappings()]
    return {"ok": True, "space": space, "crate_types": ctypes, "crates": crates, "racks": racks}


@router.get("/reports")
async def reports(ident=Depends(require_token), db=Depends(get_db)):
    summary = dict((await db.execute(text("""
        SELECT count(*) AS orders, coalesce(sum(total),0)::float AS revenue,
               coalesce(avg(total),0)::float AS avg_order
        FROM sales
    """))).mappings().first())
    by_month = [dict(r) for r in (await db.execute(text("""
        SELECT to_char(date_trunc('month', sale_date),'YYYY-MM') AS month,
               count(*) AS orders, coalesce(sum(total),0)::float AS revenue
        FROM sales WHERE sale_date IS NOT NULL GROUP BY 1 ORDER BY 1 DESC LIMIT 12
    """))).mappings()]
    top = [dict(r) for r in (await db.execute(text("""
        SELECT item_name, count(*) AS qty, coalesce(sum(line_total),0)::float AS revenue
        FROM sale_items WHERE item_name IS NOT NULL GROUP BY item_name ORDER BY revenue DESC LIMIT 10
    """))).mappings()]
    return {"ok": True, "summary": summary, "by_month": by_month, "top": top}


@router.get("/orders")
async def orders(ident=Depends(require_token), db=Depends(get_db)):
    base = await vault.get_secret(db, "woo_base_url")
    ck = await vault.get_secret(db, "woo_consumer_key")
    cs = await vault.get_secret(db, "woo_consumer_secret")
    if not (base and ck and cs):
        return {"ok": False, "reason": "WooCommerce not connected — add keys in Connections"}
    try:
        async with httpx.AsyncClient(timeout=20, follow_redirects=True) as c:
            r = await c.get(base.rstrip("/") + "/wp-json/wc/v3/orders",
                            params={"per_page": 20, "orderby": "date", "order": "desc"}, auth=(ck, cs))
    except Exception as e:
        return {"ok": False, "reason": f"connection error: {e}"}
    if r.status_code != 200:
        return {"ok": False, "reason": f"Woo API HTTP {r.status_code}"}
    out = []
    for o in r.json():
        b = o.get("billing", {})
        name = (b.get("first_name", "") + " " + b.get("last_name", "")).strip() or b.get("email", "")
        out.append({"id": o["id"], "number": o.get("number"), "status": o.get("status"),
                    "total": o.get("total"), "currency": o.get("currency"),
                    "date": (o.get("date_created") or "")[:10], "customer": name,
                    "items": len(o.get("line_items", []))})
    return {"ok": True, "orders": out}