"""Testes do app: fallback de data, autenticação e CRUD de documentos."""

import os
import tempfile
import unittest
from datetime import date
from pathlib import Path


class DateFallbackTests(unittest.TestCase):
    def test_iso_date_is_kept(self):
        from app.dates import resolve_purchase_date

        self.assertEqual(resolve_purchase_date("2026-06-09"), "2026-06-09")

    def test_br_date_is_normalized(self):
        from app.dates import resolve_purchase_date

        self.assertEqual(resolve_purchase_date("09/06/2026"), "2026-06-09")

    def test_illegible_date_falls_back_to_first_of_month(self):
        from app.dates import resolve_purchase_date

        ref = date(2026, 7, 24)
        self.assertEqual(resolve_purchase_date("ilegível", reference=ref), "2026-07-01")
        self.assertEqual(resolve_purchase_date(None, reference=ref), "2026-07-01")
        self.assertEqual(resolve_purchase_date("", reference=ref), "2026-07-01")

    def test_invalid_calendar_date_falls_back(self):
        from app.dates import resolve_purchase_date

        ref = date(2026, 7, 24)
        self.assertEqual(resolve_purchase_date("2026-13-40", reference=ref), "2026-07-01")


class PasswordTests(unittest.TestCase):
    def test_hash_and_verify(self):
        from app import auth

        h = auth.hash_password("segredo-forte")
        self.assertTrue(auth.verify_password("segredo-forte", h))
        self.assertFalse(auth.verify_password("errada", h))


class CrudTests(unittest.TestCase):
    def setUp(self):
        self._tmp = tempfile.TemporaryDirectory()
        os.environ["DB_PATH"] = str(Path(self._tmp.name) / "crud.sqlite3")
        # zera o cache de settings para pegar o DB_PATH novo
        from app.config import get_settings

        get_settings.cache_clear()

    def tearDown(self):
        os.environ.pop("DB_PATH", None)
        from app.config import get_settings

        get_settings.cache_clear()
        self._tmp.cleanup()

    def test_create_update_delete_list(self):
        from app import database as db

        with db.session() as conn:
            doc_id = db.create_fiscal(
                conn, purchase_date="2026-07-01", supplier_name="Padaria X", total_paid=10.0
            )
            self.assertEqual(db.overall_totals(conn)["count"], 1)

            db.update_fiscal(
                conn, doc_id, purchase_date="2026-07-02", supplier_name="Padaria Y", total_paid=12.5
            )
            row = db.get_fiscal(conn, doc_id)
            self.assertEqual(row["supplier_name"], "Padaria Y")
            self.assertEqual(row["total_paid"], 12.5)

            rows = db.list_fiscal(conn, supplier="Padaria")
            self.assertEqual(len(rows), 1)

            db.delete_fiscal(conn, doc_id)
            self.assertEqual(db.overall_totals(conn)["count"], 0)


class StagingGateTests(unittest.TestCase):
    def setUp(self):
        self._tmp = tempfile.TemporaryDirectory()
        os.environ["DB_PATH"] = str(Path(self._tmp.name) / "stage.sqlite3")
        from app.config import get_settings

        get_settings.cache_clear()

    def tearDown(self):
        os.environ.pop("DB_PATH", None)
        from app.config import get_settings

        get_settings.cache_clear()
        self._tmp.cleanup()

    def _stage(self, conn, batch_id, upload_id, **over):
        base = dict(
            upload_id=upload_id, batch_id=batch_id, source_file_name="f.pdf",
            source_page=None, source_location="f.pdf", raw_text="",
            purchase_date="2026-07-01", supplier_name="Loja", total_paid=10.0,
            confidence="high", field_confidence={}, legible=True,
            uncertain_fields=[], extractor="local",
        )
        base.update(over)
        from app import database as db

        return db.insert_detected(conn, **base)

    def test_incomplete_row_counts_as_pending_and_is_not_imported(self):
        from app import database as db

        with db.session() as conn:
            batch = db.create_batch(conn)
            up = db.insert_upload(conn, batch, "f.pdf", Path("f.pdf"), "application/pdf", 1)
            self._stage(conn, batch, up)  # completo
            # legível mas SEM fornecedor -> incompleto, deve contar como pendente
            self._stage(conn, batch, up, supplier_name=None, legible=True)

            summary = db.batch_summary(conn, batch)
            self.assertEqual(summary["count"], 2)
            self.assertEqual(summary["incompletos"], 1)
            self.assertEqual(summary["pendentes"], 1)

    def test_confirm_only_promotes_complete_rows(self):
        from app import database as db

        with db.session() as conn:
            batch = db.create_batch(conn)
            up = db.insert_upload(conn, batch, "f.pdf", Path("f.pdf"), "application/pdf", 1)
            self._stage(conn, batch, up, supplier_name="Loja A", total_paid=10.0)
            self._stage(conn, batch, up, supplier_name="Loja B", total_paid=20.0)
            inserted = db.confirm_batch(conn, batch)
            self.assertEqual(inserted, 2)
            self.assertEqual(db.overall_totals(conn)["total"], 30.0)


if __name__ == "__main__":
    unittest.main()