"""Interactive Meta Optimizer dashboard — Streamlit."""
import streamlit as st
from datetime import date, timedelta
import pandas as pd
import sys
import os

sys.path.insert(0, os.path.dirname(__file__))

from meta_ads_client import MetaAdsClient
from baserow_client import BaserowClient
import config


def _extract_vertical(name: str) -> str:
    """VIVIFUL_13_telefonia_leadads → telefonia"""
    prefix = config.META_CAMPAIGN_PREFIX
    rest   = name[len(prefix):].lstrip("_")
    parts  = rest.split("_")
    start  = 1 if parts and parts[0].isdigit() else 0
    return parts[start].lower() if start < len(parts) else "otros"


st.set_page_config(
    page_title=f"Meta Optimizer — {config.META_CAMPAIGN_PREFIX}",
    layout="wide",
    initial_sidebar_state="collapsed",
)

import streamlit.components.v1 as components
components.html("""
<script>
// Ping cada 30s para mantener el WebSocket activo y evitar el error 401 por inactividad
setInterval(function() {
    fetch('/_stcore/health').catch(function() {});
}, 30000);
</script>
""", height=0)

_STRATEGY_LABELS = {
    "LOWEST_COST_WITHOUT_CAP": "Menor coste",
    "LOWEST_COST_WITH_BID_CAP": "Cap. puja",
    "COST_CAP":                 "Cap. coste",
    "MINIMUM_ROAS":             "ROAS mín.",
}

_ACTION_COLORS = {
    "INCREASE_BUDGET":  "🟢",
    "REDUCE_BUDGET":    "🟠",
    "PAUSE":            "🔴",
    "REVIEW_CREATIVES": "🟣",
    "MAINTAIN":         "⚪",
}

_today        = date.today()
_yesterday    = _today - timedelta(days=1)
_default_from = _yesterday - timedelta(days=6)


def _eur(val: float) -> str:
    return f"{val:.2f}€"


def _margin(val: float) -> str:
    return f"+{val:.0f}€" if val >= 0 else f"{val:.0f}€"


def _status(leads: int, spend: float) -> str:
    if leads > 0:
        return "✅"
    if spend > 0:
        return "❌"
    return "—"


def _date_row(key: str, n_extra_cols: int = 0) -> tuple:
    """Renders [Desde | Hasta | ...extra... | 🔄] columns. Returns (date_from, date_to, *extra_cols)."""
    cols = st.columns([2, 2] + [2] * n_extra_cols + [1])
    d_from = cols[0].date_input("Desde", value=_default_from, max_value=_yesterday, key=f"{key}_from")
    d_to   = cols[1].date_input("Hasta", value=_yesterday, min_value=d_from, max_value=_yesterday, key=f"{key}_to")
    if cols[-1].button("🔄", key=f"{key}_ref", use_container_width=True, help="Limpiar caché"):
        st.cache_data.clear()
        st.rerun()
    extra = tuple(cols[2:-1])
    return (d_from, d_to) + extra


# ── Cached data loaders ───────────────────────────────────────────────────────

@st.cache_data(ttl=300, show_spinner="Cargando datos de Meta API...")
def _load_data(date_from: str, date_to: str):
    meta    = MetaAdsClient()
    baserow = BaserowClient()
    vertical_cpls: dict = {}
    try:
        for v in baserow.get_all_verticals():
            name = (v.get("Nombre") or "").strip().lower()
            cpl  = float(v.get("target_cpl") or 0)
            if name and cpl:
                vertical_cpls[name] = cpl
    except Exception:
        pass
    daily_rows       = meta.get_daily_campaign_rows(date_from, date_to)
    campaign_metrics = meta.get_campaign_metrics(date_from, date_to)
    return daily_rows, campaign_metrics, vertical_cpls


@st.cache_data(ttl=300, show_spinner="Cargando detalle de campaña...")
def _load_detail(campaign_id: str, date_from: str, date_to: str):
    meta   = MetaAdsClient()
    adsets = meta.get_adset_metrics(campaign_id, date_from, date_to)
    ads    = meta.get_ad_metrics(campaign_id, date_from, date_to)
    bid    = meta.get_campaign_bid_config(campaign_id)
    bids   = meta.get_adset_bid_configs(campaign_id)
    for adset in adsets:
        b = bids.get(adset["id"], {})
        adset["cost_cap_eur"] = b.get("cost_cap_eur")
        adset["bid_strategy"] = b.get("bid_strategy", "")
    return adsets, ads, bid


@st.cache_data(ttl=3600, show_spinner=False)
def _load_campaign_names() -> dict:
    """Returns {campaign_id: campaign_name} for the last 30 days. Cached 1h."""
    meta  = MetaAdsClient()
    end   = _yesterday.strftime("%Y-%m-%d")
    start = (_yesterday - timedelta(days=29)).strftime("%Y-%m-%d")
    try:
        metrics = meta.get_campaign_metrics(start, end)
        return {cid: m["name"] for cid, m in metrics.items()}
    except Exception:
        return {}


@st.cache_data(ttl=120, show_spinner="Cargando fechas disponibles...")
def _load_snapshot_dates():
    return BaserowClient().get_snapshot_dates()


@st.cache_data(ttl=120, show_spinner="Cargando análisis del día...")
def _load_snapshots(run_date: str):
    import json
    rows = BaserowClient().get_snapshots_for_date(run_date)
    result = []
    for r in rows:
        try:
            adsets = json.loads(r.get("adsets_json") or "[]")
        except Exception:
            adsets = []
        try:
            ads = json.loads(r.get("ads_json") or "[]")
        except Exception:
            ads = []
        result.append({
            "campaign_name": r.get("campaign_name", ""),
            "vertical":      r.get("vertical", ""),
            "spend":         float(r.get("spend") or 0),
            "leads":         int(r.get("leads") or 0),
            "cpl":           float(r.get("cpl") or 0),
            "margin":        float(r.get("margin") or 0),
            "action_type":   r.get("action_type", "MAINTAIN"),
            "justification": r.get("justification", ""),
            "adsets":        adsets,
            "ads":           ads,
        })
    return sorted(result, key=lambda x: -x["spend"])


@st.cache_data(ttl=300, show_spinner="Cargando análisis de creatividades...")
def _load_creatives():
    return BaserowClient().get_all_creative_analyses()


# ── Header ────────────────────────────────────────────────────────────────────

st.title(f"Meta Optimizer — {config.META_CAMPAIGN_PREFIX}")

# ── Tabs ──────────────────────────────────────────────────────────────────────

tab1, tab2, tab3, tab4, tab5 = st.tabs(
    ["📅 Por día", "📊 Campañas", "🏷️ Verticales", "🗂️ Histórico", "🎨 Creatividades"]
)


# ── Tab 1: Por día ────────────────────────────────────────────────────────────
with tab1:
    d_from_1, d_to_1 = _date_row("t1")

    if d_from_1 > d_to_1:
        st.error("La fecha inicio debe ser anterior a la fecha fin.")
    else:
        try:
            daily_rows, _cm1, vertical_cpls_1 = _load_data(
                d_from_1.strftime("%Y-%m-%d"), d_to_1.strftime("%Y-%m-%d")
            )
        except Exception as e:
            st.error(f"Error cargando datos de Meta API: {e}")
            daily_rows, vertical_cpls_1 = [], {}

        _daily: dict = {}
        for row in daily_rows:
            v      = _extract_vertical(row["campaign_name"])
            target = vertical_cpls_1.get(v, config.META_TARGET_CPL)
            margin = (
                round((target - row["spend"] / row["leads"]) * row["leads"], 2)
                if row["leads"] > 0 else round(-row["spend"], 2)
            )
            d = _daily.setdefault(row["date"], {"spend": 0.0, "leads": 0, "margin": 0.0})
            d["spend"]  += row["spend"]
            d["leads"]  += row["leads"]
            d["margin"] += margin

        daily_totals = [
            {
                "date":   dt,
                "spend":  round(d["spend"], 2),
                "leads":  int(d["leads"]),
                "cpl":    round(d["spend"] / d["leads"], 2) if d["leads"] > 0 else 0.0,
                "margin": round(d["margin"], 2),
            }
            for dt, d in sorted(_daily.items())
        ]

        total_spend  = sum(d["spend"]  for d in daily_totals)
        total_leads  = sum(d["leads"]  for d in daily_totals)
        total_cpl    = round(total_spend / total_leads, 2) if total_leads > 0 else 0.0
        total_margin = sum(d["margin"] for d in daily_totals)

        k1, k2, k3, k4 = st.columns(4)
        k1.metric("Gasto total",   _eur(total_spend))
        k2.metric("Leads totales", f"{total_leads:,}")
        k3.metric("CPL medio",     _eur(total_cpl))
        k4.metric("Margen total",  _margin(total_margin))
        st.divider()

        if not daily_totals:
            st.info("Sin datos para el período seleccionado.")
        else:
            df_daily = pd.DataFrame([
                {
                    "Día":    d["date"][8:10] + "/" + d["date"][5:7],
                    "Gasto":  _eur(d["spend"]),
                    "Leads":  d["leads"],
                    "CPL":    _eur(d["cpl"]),
                    "Margen": _margin(d["margin"]),
                    "Est":    _status(d["leads"], d["spend"]),
                }
                for d in daily_totals
            ])
            st.dataframe(df_daily, use_container_width=True, hide_index=True)

            st.subheader("Desglose por campaña")
            day_opts     = [d["date"] for d in reversed(daily_totals)]
            selected_day = st.selectbox(
                "Selecciona un día",
                day_opts,
                format_func=lambda s: s[8:10] + "/" + s[5:7] + "/" + s[:4],
                key="t1_day",
            )
            if selected_day:
                day_camp: dict = {}
                for row in daily_rows:
                    if row["date"] != selected_day:
                        continue
                    k = row["campaign_name"]
                    if k not in day_camp:
                        v      = _extract_vertical(k)
                        target = vertical_cpls_1.get(v, config.META_TARGET_CPL)
                        day_camp[k] = {"name": k, "vertical": v, "spend": 0.0, "leads": 0, "target_cpl": target}
                    day_camp[k]["spend"] += row["spend"]
                    day_camp[k]["leads"] += row["leads"]

                camp_rows = []
                for c in sorted(day_camp.values(), key=lambda x: -x["spend"]):
                    cpl    = round(c["spend"] / c["leads"], 2) if c["leads"] > 0 else 0.0
                    margin = (
                        round((c["target_cpl"] - cpl) * c["leads"], 2)
                        if c["leads"] > 0 else round(-c["spend"], 2)
                    )
                    camp_rows.append({
                        "Campaña":  c["name"],
                        "Vertical": c["vertical"],
                        "Gasto":    _eur(c["spend"]),
                        "Leads":    c["leads"],
                        "CPL":      _eur(cpl) if c["leads"] > 0 else "—",
                        "Obj":      _eur(c["target_cpl"]),
                        "Margen":   _margin(margin),
                    })
                if camp_rows:
                    st.dataframe(pd.DataFrame(camp_rows), use_container_width=True, hide_index=True)
                else:
                    st.info("Sin campañas activas ese día.")


# ── Tab 2: Campañas ───────────────────────────────────────────────────────────
with tab2:
    d_from_2, d_to_2, col_vert_2 = _date_row("t2", n_extra_cols=1)

    if d_from_2 > d_to_2:
        st.error("La fecha inicio debe ser anterior a la fecha fin.")
    else:
        try:
            _dr2, campaign_metrics_2, vertical_cpls_2 = _load_data(
                d_from_2.strftime("%Y-%m-%d"), d_to_2.strftime("%Y-%m-%d")
            )
        except Exception as e:
            st.error(f"Error cargando datos de Meta API: {e}")
            campaign_metrics_2, vertical_cpls_2 = {}, {}

        v_opts_2 = ["Todos"] + sorted({_extract_vertical(m["name"]) for m in campaign_metrics_2.values()})
        sel_vert_2 = col_vert_2.selectbox("Vertical", v_opts_2, key="t2_vert")

        if sel_vert_2 != "Todos":
            campaign_metrics_2 = {
                cid: m for cid, m in campaign_metrics_2.items()
                if _extract_vertical(m["name"]) == sel_vert_2
            }

        if not campaign_metrics_2:
            st.info("Sin campañas para el período seleccionado.")
        else:
            camp_rows = []
            for cid, m in sorted(campaign_metrics_2.items(), key=lambda x: -x[1]["spend"]):
                v      = _extract_vertical(m["name"])
                target = vertical_cpls_2.get(v, config.META_TARGET_CPL)
                margin = round((target - m["cpl"]) * m["leads"], 2) if m["leads"] > 0 else round(-m["spend"], 2)
                camp_rows.append({
                    "Campaña":  m["name"],
                    "Vertical": v,
                    "Gasto":    _eur(m["spend"]),
                    "Leads":    m["leads"],
                    "CPL":      _eur(m["cpl"]) if m["leads"] > 0 else "—",
                    "Obj":      _eur(target),
                    "Margen":   _margin(margin),
                    "CTR":      f"{m['ctr']:.1f}%",
                    "_cid":     cid,
                })

            df_camps = pd.DataFrame([{k: v for k, v in r.items() if k != "_cid"} for r in camp_rows])
            st.dataframe(df_camps, use_container_width=True, hide_index=True)

            st.subheader("Detalle de campaña")
            camp_id_map   = {r["Campaña"]: r["_cid"] for r in camp_rows}
            selected_camp = st.selectbox("Selecciona una campaña", list(camp_id_map.keys()), key="t2_camp")

            if selected_camp:
                selected_cid         = camp_id_map[selected_camp]
                adsets, ads, bid_cfg = _load_detail(
                    selected_cid,
                    d_from_2.strftime("%Y-%m-%d"),
                    d_to_2.strftime("%Y-%m-%d"),
                )

                strategy    = bid_cfg.get("bid_strategy", "")
                strat_label = _STRATEGY_LABELS.get(strategy, strategy or "—")
                budget      = bid_cfg.get("daily_budget_eur")
                budget_str  = f"{budget:.0f}€/día" if budget else "—"
                st.caption(f"Estrategia: **{strat_label}** | Presupuesto: **{budget_str}**")

                if adsets:
                    st.markdown("**Conjuntos de anuncios**")
                    df_adsets = pd.DataFrame([
                        {
                            "Nombre": a["name"],
                            "Gasto":  _eur(a["spend"]),
                            "Leads":  a["leads"],
                            "CPL":    _eur(a["cpl"]) if a["leads"] > 0 else "—",
                            "CTR":    f"{a['ctr']:.1f}%",
                            "Cap":    _eur(a["cost_cap_eur"]) if a.get("cost_cap_eur") else "Auto",
                        }
                        for a in adsets
                    ])
                    st.dataframe(df_adsets, use_container_width=True, hide_index=True)
                else:
                    st.info("Sin conjuntos de anuncios con gasto en este período.")

                if ads:
                    st.markdown("**Anuncios**")
                    df_ads = pd.DataFrame([
                        {
                            "Nombre": a["name"],
                            "Gasto":  _eur(a["spend"]),
                            "Leads":  a["leads"],
                            "CPL":    _eur(a["cpl"]) if a["leads"] > 0 else "—",
                            "CTR":    f"{a['ctr']:.1f}%",
                            "CPM":    _eur(a["cpm"]),
                        }
                        for a in ads
                    ])
                    st.dataframe(df_ads, use_container_width=True, hide_index=True)
                else:
                    st.info("Sin anuncios con gasto en este período.")


# ── Tab 3: Verticales ─────────────────────────────────────────────────────────
with tab3:
    d_from_3, d_to_3 = _date_row("t3")

    if d_from_3 > d_to_3:
        st.error("La fecha inicio debe ser anterior a la fecha fin.")
    else:
        try:
            _dr3, campaign_metrics_3, vertical_cpls_3 = _load_data(
                d_from_3.strftime("%Y-%m-%d"), d_to_3.strftime("%Y-%m-%d")
            )
        except Exception as e:
            st.error(f"Error cargando datos de Meta API: {e}")
            campaign_metrics_3, vertical_cpls_3 = {}, {}

        verticals_3: dict = {}
        for cid, m in campaign_metrics_3.items():
            v      = _extract_vertical(m["name"])
            target = vertical_cpls_3.get(v, config.META_TARGET_CPL)
            margin = round((target - m["cpl"]) * m["leads"], 2) if m["leads"] > 0 else round(-m["spend"], 2)
            if v not in verticals_3:
                verticals_3[v] = {"spend": 0.0, "leads": 0, "margin": 0.0, "target_cpl": target}
            verticals_3[v]["spend"]  += m["spend"]
            verticals_3[v]["leads"]  += m["leads"]
            verticals_3[v]["margin"] += margin

        if not verticals_3:
            st.info("Sin datos de verticales.")
        else:
            vert_rows = []
            for v, data in sorted(verticals_3.items(), key=lambda x: -x[1]["margin"]):
                v_leads = data["leads"]
                v_spend = data["spend"]
                v_cpl   = round(v_spend / v_leads, 2) if v_leads > 0 else 0.0
                vert_rows.append({
                    "Vertical": v,
                    "Gasto":    _eur(v_spend),
                    "Leads":    v_leads,
                    "CPL":      _eur(v_cpl),
                    "Obj":      _eur(data["target_cpl"]) if data.get("target_cpl") else "—",
                    "Margen":   _margin(data["margin"]),
                })
            st.dataframe(pd.DataFrame(vert_rows), use_container_width=True, hide_index=True)


# ── Tab 4: Histórico ──────────────────────────────────────────────────────────
with tab4:
    dates = _load_snapshot_dates()

    if not dates:
        st.info("Sin análisis guardados aún. Los snapshots se generan al ejecutar run.py.")
    else:
        c1, c2 = st.columns([3, 1])
        fmt_date     = lambda s: s[8:10] + "/" + s[5:7] + "/" + s[:4]
        selected_date = c1.selectbox("Fecha del análisis", dates, format_func=fmt_date, key="t4_date")
        if c2.button("🔄 Recargar", key="t4_ref", use_container_width=True):
            st.cache_data.clear()
            st.rerun()

        snapshots = _load_snapshots(selected_date)
        if not snapshots:
            st.info("Sin datos para esa fecha.")
        else:
            d_spend  = sum(s["spend"]  for s in snapshots)
            d_leads  = sum(s["leads"]  for s in snapshots)
            d_cpl    = round(d_spend / d_leads, 2) if d_leads > 0 else 0.0
            d_margin = sum(s["margin"] for s in snapshots)
            h1, h2, h3, h4 = st.columns(4)
            h1.metric("Gasto",  _eur(d_spend))
            h2.metric("Leads",  f"{d_leads:,}")
            h3.metric("CPL",    _eur(d_cpl))
            h4.metric("Margen", _margin(d_margin))
            st.divider()

            df_snap = pd.DataFrame([
                {
                    "Acción":   _ACTION_COLORS.get(s["action_type"], "⚪") + " " + s["action_type"],
                    "Campaña":  s["campaign_name"],
                    "Vertical": s["vertical"],
                    "Gasto":    _eur(s["spend"]),
                    "Leads":    s["leads"],
                    "CPL":      _eur(s["cpl"]) if s["leads"] > 0 else "—",
                    "Margen":   _margin(s["margin"]),
                }
                for s in snapshots
            ])
            event = st.dataframe(
                df_snap,
                use_container_width=True,
                hide_index=True,
                on_select="rerun",
                selection_mode="single-row",
            )

            sel_rows = event.selection.rows
            if sel_rows:
                snap = snapshots[sel_rows[0]]
                st.subheader(snap["campaign_name"])
                st.caption(
                    f"Vertical: **{snap['vertical']}** | "
                    f"Decisión: **{snap['action_type']}** | "
                    f"Margen: **{_margin(snap['margin'])}**"
                )
                if snap["justification"]:
                    st.info(snap["justification"])

                adsets = snap["adsets"]
                if adsets:
                    st.markdown("**Conjuntos de anuncios** _(últimos 3 días)_")
                    for a in adsets:
                        label = (
                            f"{a['name']}  —  "
                            f"{_eur(a['spend'])} · {a['leads']} leads · "
                            f"CPL {_eur(a['cpl']) if a['leads'] > 0 else '—'} · "
                            f"CTR {a.get('ctr', 0):.1f}%"
                        )
                        with st.expander(label):
                            if a.get("cost_cap_eur"):
                                st.caption(f"Cap: {_eur(a['cost_cap_eur'])}")
                            if a.get("evaluacion"):
                                st.write(f"_{a['evaluacion']}_")
                            if a.get("recomendacion"):
                                st.write(f"→ {a['recomendacion']}")

                ads = snap["ads"]
                if ads:
                    st.markdown("**Anuncios** _(últimos 7 días)_")
                    for a in ads:
                        label = (
                            f"{a['name']}  —  "
                            f"{_eur(a['spend'])} · {a['leads']} leads · "
                            f"CPL {_eur(a['cpl']) if a['leads'] > 0 else '—'} · "
                            f"CTR {a.get('ctr', 0):.1f}% · "
                            f"CPM {_eur(a.get('cpm', 0))}"
                        )
                        with st.expander(label):
                            if a.get("evaluacion"):
                                st.write(f"_{a['evaluacion']}_")
                            if a.get("recomendacion"):
                                st.write(f"→ {a['recomendacion']}")


# ── Tab 5: Creatividades ──────────────────────────────────────────────────────
with tab5:
    creatives_raw = _load_creatives()

    if not creatives_raw:
        st.info("No hay análisis de creatividades. Ejecuta `python analyze_creatives.py` para generar datos.")
    else:
        df_all = pd.DataFrame(creatives_raw)
        df_all["score"]      = pd.to_numeric(df_all.get("score", 0), errors="coerce").fillna(0)
        df_all["created_at"] = df_all.get("created_at", pd.Series(dtype=str))

        # Map campaign_id → name using a dedicated cached call (last 30d)
        camp_id_to_name = _load_campaign_names()
        df_all["campaign_name"] = df_all["campaign_id"].map(
            lambda cid: camp_id_to_name.get(str(cid), str(cid))
        )
        df_all["vertical"] = df_all["campaign_name"].map(_extract_vertical)

        # ── Filters ───────────────────────────────────────────────────────────
        f1, f2, f3, f4 = st.columns([2, 2, 2, 2])

        dates_available = sorted(df_all["created_at"].dropna().unique(), reverse=True)
        sel_date = f1.selectbox("Fecha análisis", dates_available, key="cr_date")

        verts_available = sorted(df_all["vertical"].dropna().unique().tolist())
        sel_vert_cr = f2.selectbox("Vertical", ["Todas"] + verts_available, key="cr_vert")

        camp_names = sorted(df_all["campaign_name"].dropna().unique().tolist())
        sel_camp = f3.selectbox("Campaña", ["Todas"] + camp_names, key="cr_camp")

        score_min = f4.slider("Score mínimo", 0.0, 10.0, 0.0, step=0.5, key="cr_score")

        # Apply filters
        df = df_all.copy()
        if sel_date:
            df = df[df["created_at"] == sel_date]
        if sel_vert_cr != "Todas":
            df = df[df["vertical"] == sel_vert_cr]
        if sel_camp != "Todas":
            df = df[df["campaign_name"] == sel_camp]
        if score_min > 0:
            df = df[df["score"] >= score_min]

        # ── KPIs ──────────────────────────────────────────────────────────────
        scored_df = df[df["score"] > 0]
        avg_sc    = round(scored_df["score"].mean(), 1) if not scored_df.empty else 0.0
        fatigue_n = int(df["analysis"].str.contains("FATIGA", na=False).sum()) if "analysis" in df.columns else 0
        last_run  = df_all["created_at"].max() if not df_all.empty else "—"

        k1, k2, k3, k4 = st.columns(4)
        k1.metric("Anuncios",          len(df))
        k2.metric("Score medio",       f"{avg_sc}/10")
        k3.metric("Con fatiga",        fatigue_n)
        k4.metric("Última ejecución",  last_run)

        if fatigue_n:
            fatigued = df[df["analysis"].str.contains("FATIGA", na=False)]
            with st.expander(f"⚠️ {fatigue_n} anuncios con fatiga creativa", expanded=True):
                for _, row in fatigued.iterrows():
                    st.warning(f"**{row.get('ad_name', '—')}** — Score {row.get('score', 0):.1f}/10")

        st.divider()

        # ── Table + Detail panel ──────────────────────────────────────────────
        rename_map = {
            "campaign_name":   "Campaña",
            "vertical":        "Vertical",
            "ad_name":         "Anuncio",
            "score":           "Score",
            "created_at":      "Fecha",
        }
        display_cols = [c for c in rename_map if c in df.columns]
        df_display   = df[display_cols].rename(columns=rename_map).reset_index(drop=True)

        col_table, col_detail = st.columns([3, 2])

        with col_table:
            st.caption("Haz clic en una fila para ver el detalle →")
            event = st.dataframe(
                df_display,
                use_container_width=True,
                selection_mode="single-row",
                on_select="rerun",
                column_config={
                    "Score": st.column_config.ProgressColumn(
                        "Score", min_value=0, max_value=10, format="%.1f"
                    ),
                },
                hide_index=True,
            )
            selected_rows = event.selection.rows if hasattr(event, "selection") else []

        with col_detail:
            if selected_rows:
                row   = df.iloc[selected_rows[0]]
                score = float(row.get("score", 0))
                sc_emoji = "🟢" if score >= 8 else "🟡" if score >= 6 else "🟠" if score >= 4 else "🔴"

                st.markdown(f"### {row.get('ad_name', '—')}")
                st.markdown(f"{sc_emoji} **Score: {score:.1f} / 10**")

                img_url = str(row.get("image_url", ""))
                if img_url.startswith("http"):
                    try:
                        st.image(img_url, use_container_width=True)
                    except Exception:
                        st.caption("_Imagen no disponible_")

                analysis = str(row.get("analysis", ""))
                if analysis:
                    st.markdown("**Análisis**")
                    st.write(analysis)

                rec = str(row.get("recommendations", ""))
                if rec:
                    st.markdown("**Recomendaciones**")
                    st.info(rec)

                ad_id = str(row.get("ad_id", ""))
                if ad_id:
                    history = BaserowClient().get_creative_history_by_ad(ad_id)
                    if len(history) >= 2:
                        st.markdown("**Evolución del score**")
                        hist_df = pd.DataFrame(history)[["created_at", "score"]].dropna()
                        hist_df["score"] = pd.to_numeric(hist_df["score"], errors="coerce")
                        hist_df = hist_df[hist_df["score"] > 0].set_index("created_at")
                        st.line_chart(hist_df)
            else:
                st.info("← Selecciona un anuncio en la tabla para ver el detalle.")