"""Unit tests for platform API credential registry and providers."""

from unittest.mock import AsyncMock, MagicMock, patch

import pytest

from app.core.crypto.credential_crypto import decrypt_secret, encrypt_secret, mask_secret
from app.services.platform_api_registry import (
    EffectiveCredential,
    build_credential_views,
    fetch_price_via_credential,
    resolve_platform_credential,
)


class TestCredentialCrypto:
  def test_encrypt_decrypt_roundtrip(self):
    raw = "sk-test-api-key-12345"
    token = encrypt_secret(raw)
    assert decrypt_secret(token) == raw
    assert raw not in token

  def test_mask_secret(self):
    assert mask_secret("abcd") == "••••"
    assert mask_secret("my-long-api-key-9xyz") == "••••9xyz"


class TestBuildCredentialViews:
  def test_no_row_no_env_shows_none_source(self):
    views = build_credential_views([])
    amazon = next(v for v in views if v.platform_id == "amazon")
    assert amazon.source == "none"
    assert amazon.api_key_hint is None
    assert "rainforest" in amazon.available_providers

  def test_env_credential_shows_environment_source(self):
    with patch("app.services.platform_api_registry.get_settings") as gs:
      gs.return_value = MagicMock(RAINFOREST_API_KEY="rf-env-key-9999")
      views = build_credential_views([])
    amazon = next(v for v in views if v.platform_id == "amazon")
    assert amazon.source == "environment"
    assert amazon.api_key_hint == "••••9999"
    assert amazon.is_enabled is True


@pytest.mark.asyncio
class TestResolvePlatformCredential:
  async def test_superadmin_db_takes_priority_over_env(self):
    row = MagicMock()
    row.platform_id = "amazon"
    row.provider = "rainforest"
    row.api_key_encrypted = encrypt_secret("db-key-wins")
    row.api_secret_encrypted = None
    row.is_enabled = True

    db = AsyncMock()
    repo = MagicMock()
    repo.get_enabled = AsyncMock(return_value=row)

    with patch(
      "app.services.platform_api_registry.PlatformApiCredentialRepository",
      return_value=repo,
    ), patch("app.services.platform_api_registry._env_credential") as env:
      env.return_value = EffectiveCredential(
        platform_id="amazon",
        provider="rainforest",
        api_key="env-key",
        api_secret=None,
        source="environment",
      )
      cred = await resolve_platform_credential("amazon", db=db, redis=None)

    assert cred is not None
    assert cred.source == "superadmin"
    assert cred.api_key == "db-key-wins"

  async def test_falls_back_to_environment(self):
    db = AsyncMock()
    repo = MagicMock()
    repo.get_enabled = AsyncMock(return_value=None)

    with patch(
      "app.services.platform_api_registry.PlatformApiCredentialRepository",
      return_value=repo,
    ), patch("app.services.platform_api_registry._env_credential") as env:
      env.return_value = EffectiveCredential(
        platform_id="google_books",
        provider="google_books",
        api_key="gbooks-env",
        api_secret=None,
        source="environment",
      )
      cred = await resolve_platform_credential("google_books", db=db, redis=None)

    assert cred is not None
    assert cred.source == "environment"


@pytest.mark.asyncio
class TestFetchPriceViaCredential:
  async def test_rainforest_parses_buybox_price(self):
    client = AsyncMock()
    response = MagicMock(status_code=200)
    response.json.return_value = {
      "product": {
        "buybox_winner": {
          "price": {"value": 15.99, "currency": "USD"},
        },
      },
    }
    client.get.return_value = response
    cred = EffectiveCredential(
      platform_id="amazon",
      provider="rainforest",
      api_key="rf-key",
      api_secret=None,
      source="superadmin",
    )
    hit = await fetch_price_via_credential(
      client,
      cred,
      "amazon",
      "https://www.amazon.com/dp/B012345678",
    )
    assert hit is not None
    assert hit.formatted == "$15.99"
    assert hit.source == "api:rainforest"

  async def test_scrapingbee_delegates_to_html_parser(self):
    client = AsyncMock()
    response = MagicMock(
      status_code=200,
      text=('{"price": "12.50", "title": "Test Book"}' + " " * 600),
    )
    client.get.return_value = response
    cred = EffectiveCredential(
      platform_id="barnes_noble",
      provider="scrapingbee",
      api_key="sb-key",
      api_secret=None,
      source="superadmin",
    )
    hit = await fetch_price_via_credential(
      client,
      cred,
      "barnes_noble",
      "https://www.barnesandnoble.com/w/book",
    )
    assert hit is not None
    assert hit.formatted == "$12.50"
    assert hit.source == "api:scrapingbee"