import streamlit as st
import streamlit.components.v1 as components
from banco import SessionLocal
from models import LogAcesso
from datetime import datetime


# =====================================================
# AUDITORIA
# =====================================================
def registrar_auditoria(acao):
    db = SessionLocal()
    try:
        db.add(LogAcesso(
            usuario=st.session_state.get("usuario", "desconhecido"),
            acao=acao,
            tabela="bi",
            data_hora=datetime.now()
        ))
        db.commit()
    finally:
        db.close()


# =====================================================
# APP PRINCIPAL
# =====================================================
def main():
    st.title("📊 Business Intelligence")

    st.caption("Indicadores e dashboards oficiais")

    # 🔐 Auditoria de acesso
    registrar_auditoria("ACESSO_BI")

    # =====================================================
    # SELEÇÃO DE DASHBOARD
    # =====================================================
    dashboards = {
        "📈 Performance Operacional": {
            "url": "https://app.powerbi.com/view?r=SEU_LINK_AQUI",
            "height": 800
        },
        "📊 Qualidade e Erros": {
            "url": "https://app.powerbi.com/view?r=SEU_LINK_AQUI",
            "height": 800
        },
        "📦 Produtividade FPSO": {
            "url": "https://app.powerbi.com/view?r=SEU_LINK_AQUI",
            "height": 900
        }
    }

    opcao = st.selectbox("Selecione o Dashboard", dashboards.keys())

    dash = dashboards[opcao]

    st.divider()

    # =====================================================
    # EMBED DO POWER BI
    # =====================================================
    components.html(
        f"""
        <iframe
            width="100%"
            height="{dash['height']}"
            src="{dash['url']}"
            frameborder="0"
            allowfullscreen="true">
        </iframe>
        """,
        height=dash["height"] + 20
    )