"""
Informe estratégico semanal de Leads Optimizer.
Se ejecuta los lunes via GitHub Actions y envía un análisis profundo a Slack.
"""
import json
import sys
import os
import requests
from datetime import datetime, timedelta

import config
from airtable_client import AirtableClient
from google_ads_client import GoogleAdsClient
from agent import weekly_strategic_analysis
from analyzer import analyze
from slack_reporter import MESES_ES

MESES_ES_LOCAL = MESES_ES


def _get_week_days(offset_weeks: int = 0) -> list[str]:
    """Devuelve los 7 días YYYY-MM-DD de la semana offset_weeks atrás (0=esta, 1=anterior)."""
    today = datetime.now().date()
    monday = today - timedelta(days=today.weekday()) - timedelta(weeks=offset_weeks)
    return [(monday + timedelta(days=i)).strftime("%Y-%m-%d") for i in range(7)]


def _filter_games_md_by_days(games_md: dict, days: list[str]) -> dict:
    """Filtra MetricasDiarias de GAMes a los días indicados (formato 'DD')."""
    day_keys = {d[8:10] for d in days}
    return {k: v for k, v in games_md.items() if k in day_keys}


def run_weekly():
    now = datetime.now()
    print(f"\n{'='*55}")
    print(f"  INFORME SEMANAL — {now.strftime('%d/%m/%Y %H:%M')}")
    print(f"{'='*55}\n")

    at   = AirtableClient()
    gads = GoogleAdsClient()

    # Obtener MetricasDiarias de GAMes del mes en curso
    mes, anio = now.month, now.year
    print("Cargando GAMes...")
    games_rid = at.get_or_create_games_record(mes, anio)
    games_md  = at.get_games_metricas(games_rid)

    # Calcular semanas
    this_week_days = _get_week_days(0)
    prev_week_days = _get_week_days(1)

    games_this = _filter_games_md_by_days(games_md, this_week_days)
    games_prev = _filter_games_md_by_days(games_md, prev_week_days)

    # Si la semana anterior cruza con el mes pasado, intentar cargar ese GAMes también
    prev_month_days = [d for d in prev_week_days if d[:7] != now.strftime("%Y-%m")]
    if prev_month_days:
        prev_mes = mes - 1 if mes > 1 else 12
        prev_anio = anio if mes > 1 else anio - 1
        prev_records = at.games.all(formula=f"AND({{Mes}}='{prev_mes}',{{Año}}='{prev_anio}')")
        if prev_records:
            try:
                prev_md = json.loads(prev_records[0]["fields"].get("MetricasDiarias") or "{}")
            except Exception:
                prev_md = {}
            extra = _filter_games_md_by_days(prev_md, prev_month_days)
            games_prev.update(extra)

    # Cargar métricas de campañas activas para el análisis de portfolio
    print("Cargando campañas activas...")
    campaigns = at.get_active_gacampaignmes()
    monthly_metrics = gads.get_monthly_metrics_all()

    collected = []
    for campaign in campaigns:
        cid = campaign["google_campaign_id"]
        metrics = monthly_metrics.get(cid, {"cost": 0, "conversions": 0, "clicks": 0,
                                            "impressions": 0, "ctr": 0, "budget_daily": 0,
                                            "status": "UNKNOWN"})
        leads = campaign.get("conv_leads_lake_mes", 0)
        analysis = analyze(campaign, leads, metrics)
        collected.append({"campaign": campaign, "metrics": metrics,
                          "analysis": analysis, "leads": leads})

    print("Generando análisis estratégico semanal con IA...")
    mes_nombre = MESES_ES_LOCAL.get(mes, str(mes))
    analysis_text = weekly_strategic_analysis(games_this, games_prev, collected, mes_nombre)

    # Construir mensaje Slack
    if not config.SLACK_WEBHOOK_URL:
        print("SLACK_WEBHOOK_URL no configurada.")
        print("\n--- ANÁLISIS ---\n")
        print(analysis_text)
        return

    this_range = f"{this_week_days[0][8:10]}/{this_week_days[0][5:7]}–{this_week_days[-1][8:10]}/{this_week_days[-1][5:7]}"
    prev_range = f"{prev_week_days[0][8:10]}/{prev_week_days[0][5:7]}–{prev_week_days[-1][8:10]}/{prev_week_days[-1][5:7]}"

    blocks = [
        {
            "type": "header",
            "text": {"type": "plain_text",
                     "text": f"INFORME SEMANAL — {now.strftime('%d/%m/%Y')}"},
        },
        {
            "type": "section",
            "text": {
                "type": "mrkdwn",
                "text": f"_Semana actual: {this_range}  |  Semana anterior: {prev_range}_",
            },
        },
        {"type": "divider"},
        {
            "type": "section",
            "text": {
                "type": "mrkdwn",
                "text": f"🤖 *ANÁLISIS ESTRATÉGICO SEMANAL*\n{analysis_text}",
            },
        },
    ]

    try:
        resp = requests.post(config.SLACK_WEBHOOK_URL, json={"blocks": blocks}, timeout=10)
        if resp.status_code != 200:
            print(f"⚠️ Slack respondió {resp.status_code}: {resp.text[:200]}")
        else:
            print("✓ Informe semanal enviado a Slack.")
    except Exception as e:
        print(f"⚠️ Error enviando a Slack: {e}")


if __name__ == "__main__":
    run_weekly()