# -*- coding: utf-8 -*-
"""Tests de `monitor_estado.fuentes.correo` — ventana 24h y solo lectura (RF-2, RF-25)."""

import monitor_estado.fuentes.correo as correo


class _Req:
    def __init__(self, resp):
        self._resp = resp

    def execute(self):
        return self._resp


class _Messages:
    def __init__(self):
        self.queries = []
        self.gets = []
        self.modificados = []

    def list(self, userId, q, maxResults):
        self.queries.append(q)
        return _Req({"messages": [{"id": "m1"}, {"id": "m2"}]})

    def get(self, userId, id, format, metadataHeaders):
        self.gets.append(id)
        return _Req({
            "snippet": f"resumen de {id}",
            "payload": {"headers": [
                {"name": "Subject", "value": f"Asunto {id}"},
                {"name": "From", "value": "Remitente <r@b.com>"},
                {"name": "Date", "value": "Sat, 3 Oct 2026 09:00:00 +0200"},
            ]},
        })

    def modify(self, **kwargs):  # no debe llamarse nunca (RF-25)
        self.modificados.append(kwargs)
        return _Req({})


class _Users:
    def __init__(self):
        self._m = _Messages()

    def messages(self):
        return self._m


class FakeGmail:
    def __init__(self):
        self._u = _Users()

    def users(self):
        return self._u


def test_correo_ventana_24h():
    gmail = FakeGmail()
    correos = correo.recoger_recientes(gmail, horas=24)
    assert len(correos) == 2
    assert correos[0]["id"] == "m1"
    assert correos[0]["asunto"] == "Asunto m1"
    assert "newer_than:1d" in gmail.users().messages().queries[0]


def test_correo_no_modifica_estado():
    gmail = FakeGmail()
    correo.recoger_recientes(gmail, horas=24)
    assert gmail.users().messages().modificados == []  # no marca leido (RF-25)


def test_render_correo():
    txt = correo.render_correo({"fecha": "Sat, 3 Oct 2026 09:00:00 +0200", "de": "a@b.com", "asunto": "Hola", "snippet": "cuerpo"})
    assert "a@b.com" in txt and "Hola" in txt