from datetime import datetime
import calendar


def analyze(campaign_config: dict, leads_entregados: int, ads_metrics: dict) -> dict:
    now = datetime.now()
    dias_mes = calendar.monthrange(now.year, now.month)[1]
    dia_actual = now.day
    ratio_mes = dia_actual / dias_mes

    capping = campaign_config["capping_mensual"]
    ppl = campaign_config["ppl"]
    cpa_max = campaign_config["cpa_maximo"]
    margen_objetivo = campaign_config.get("margen_objetivo", 0)
    gasto = ads_metrics.get("cost", 0)
    conversiones_google = ads_metrics.get("conversions", 0)

    ratio_leads = leads_entregados / capping if capping > 0 else 0
    cpa_actual = gasto / leads_entregados if leads_entregados > 0 else 0
    revenue = leads_entregados * ppl
    margen = (revenue - gasto) / revenue if revenue > 0 else 0
    leads_restantes = capping - leads_entregados
    dias_restantes = dias_mes - dia_actual
    ritmo = ratio_leads - ratio_mes  # positivo = adelantado, negativo = atrasado

    # Urgencia
    if ratio_leads >= 1.0:
        urgencia = "PAUSAR"
    elif capping > 0 and ratio_leads < ratio_mes - 0.15 and dias_restantes <= 5:
        urgencia = "SPRINT"
    elif ritmo < -0.15:
        urgencia = "ACELERAR"
    elif ritmo > 0.15:
        urgencia = "FRENAR"
    else:
        urgencia = "EN_RITMO"

    # Discrepancia entre leads Airtable (ConvLeadsLakeMes) y conversiones Google
    conv_leads_lake_mes = campaign_config.get("conv_leads_lake_mes", leads_entregados)
    discrepancia = abs(conversiones_google - conv_leads_lake_mes)

    return {
        "curso": campaign_config["curso"],
        "campaign_id": campaign_config["google_campaign_id"],
        "ppl": ppl,
        "cpa_maximo": cpa_max,
        "margen_objetivo": margen_objetivo,
        "margen_ok": margen >= margen_objetivo if margen_objetivo > 0 else True,
        "capping": capping,
        "leads_entregados": leads_entregados,
        "leads_restantes": leads_restantes,
        "dias_restantes": dias_restantes,
        "ratio_leads": round(ratio_leads, 3),
        "ratio_mes": round(ratio_mes, 3),
        "ritmo": round(ritmo, 3),
        "urgencia": urgencia,
        "cpa_actual": round(cpa_actual, 2),
        "rentable": cpa_actual <= cpa_max if cpa_actual > 0 else True,
        "margen": round(margen, 3),
        "revenue_estimado": round(revenue, 2),
        "gasto_acumulado": round(gasto, 2),
        "budget_diario_actual": ads_metrics.get("budget_daily", 0),
        "ctr": ads_metrics.get("ctr", 0),
        "clicks": ads_metrics.get("clicks", 0),
        "conversiones_google": conversiones_google,
        "discrepancia_tracking": discrepancia,
        "alerta_tracking": discrepancia > 10,
        "status_google": ads_metrics.get("status", "UNKNOWN"),
    }