# retoor <retoor@molodetz.nl>

import pytest
from pydantic import ValidationError

from devplacepy.services.sync.records import (
    CommentRecord,
    PostRecord,
    SyncBatchForm,
    UserRecord,
)
from devplacepy.services.sync.spec import LIMITS

BASE = {"origin_uid": "r1", "created_at": "2025-01-01T00:00:00Z"}


def test_updated_at_defaults_to_created_and_never_precedes_it():
    record = PostRecord.model_validate(
        {**BASE, "author_uid": "u", "content": "ten chars!!"}
    )
    assert record.updated_at == record.created_at
    earlier = PostRecord.model_validate(
        {**BASE, "author_uid": "u", "content": "ten chars!!", "updated_at": "2024-01-01"}
    )
    assert earlier.updated_at == earlier.created_at


def test_unknown_topic_becomes_random_and_known_is_kept():
    base = {**BASE, "author_uid": "u", "content": "ten chars!!"}
    assert PostRecord.model_validate({**base, "topic": "zzz"}).topic == "random"
    assert PostRecord.model_validate({**base, "topic": "DevLog"}).topic == "devlog"


@pytest.mark.parametrize(
    "payload",
    [
        {"author_uid": "u", "content": "short"},
        {"author_uid": "u", "content": "x" * (LIMITS.max_post_length + 1)},
        {"author_uid": "", "content": "ten chars!!"},
        {"content": "ten chars!!"},
        {"author_uid": "u", "content": "ten chars!!", "title": "t" * (LIMITS.max_title_length + 1)},
    ],
)
def test_invalid_posts_are_rejected(payload):
    with pytest.raises(ValidationError):
        PostRecord.model_validate({**BASE, **payload})


def test_comment_parent_is_optional_and_post_is_required():
    base = {**BASE, "author_uid": "u", "content": "fine"}
    assert CommentRecord.model_validate({**base, "post_uid": "p"}).parent_uid is None
    assert CommentRecord.model_validate({**base, "post_uid": "p", "parent_uid": ""}).parent_uid is None
    with pytest.raises(ValidationError):
        CommentRecord.model_validate(base)


def test_user_urls_are_fixed_or_dropped():
    record = UserRecord.model_validate(
        {**BASE, "username": "bob", "website": "example.com", "git_link": "not a url"}
    )
    assert record.website == "https://example.com"
    assert record.git_link == ""


def test_user_bio_over_limit_is_rejected():
    with pytest.raises(ValidationError):
        UserRecord.model_validate({**BASE, "username": "bob", "bio": "x" * (LIMITS.max_bio_length + 1)})


def test_user_counters_and_credentials_are_not_fields():
    known = UserRecord.known_fields()
    for name in ("email", "password_hash", "role", "xp", "level", "stars", "api_key"):
        assert name not in known
    assert "stars" not in PostRecord.known_fields()


def test_envelope_normalizes_origin_and_bounds_batch():
    form = SyncBatchForm(origin="Other.ORG", records=[{}])
    assert form.origin == "other.org"
    with pytest.raises(ValidationError):
        SyncBatchForm(origin="other.org", records=[])
    with pytest.raises(ValidationError):
        SyncBatchForm(origin="other.org", records=[{}] * (LIMITS.max_batch_records + 1))
    with pytest.raises(ValidationError):
        SyncBatchForm(origin="bad origin", records=[{}])


def test_new_kinds_have_models_and_a_published_schema():
    from devplacepy.services.sync.records import RECORD_MODELS
    from devplacepy.services.sync.spec import KINDS

    assert set(RECORD_MODELS) == set(KINDS)
    for model in RECORD_MODELS.values():
        assert model.model_json_schema()["title"]


def test_vote_value_and_target_kind_are_closed_sets():
    import pytest
    from pydantic import ValidationError

    from devplacepy.services.sync.records import VoteRecord

    base = {"origin_uid": "v", "voter_uid": "u", "target_kind": "post", "target_uid": "p", "value": 1, "created_at": "2025-01-01T00:00:00Z"}
    assert VoteRecord.model_validate(base).value == 1
    for change in ({"value": 0}, {"value": 2}, {"target_kind": "gist"}, {"voter_uid": "bad id"}):
        with pytest.raises(ValidationError):
            VoteRecord.model_validate({**base, **change})


def test_attachment_fingerprint_ignores_the_blob_but_not_its_hash():
    import base64

    from devplacepy.services.sync.records import AttachmentRecord

    def make(data):
        return AttachmentRecord.model_validate({
            "origin_uid": "a", "author_uid": "u", "target_kind": "post", "target_uid": "p",
            "filename": "dir/evil\\name.png", "content_b64": base64.b64encode(data).decode(), "created_at": "2025-01-01T00:00:00Z",
        })

    first, second = make(b"one"), make(b"two")
    assert first.filename == "name.png"
    assert "content_b64" not in first.content_fields() and first.content_fields()["sha256"] != second.content_fields()["sha256"]
    assert first.content_bytes() == b"one"


def test_batch_byte_cap(monkeypatch):
    import pytest
    from dataclasses import replace
    from pydantic import ValidationError

    from devplacepy.services.sync import records
    from devplacepy.services.sync.spec import LIMITS

    monkeypatch.setattr(records, "LIMITS", replace(LIMITS, max_batch_bytes=100))
    with pytest.raises(ValidationError):
        records.SyncBatchForm(origin="a.b", records=[{"x": "y" * 200}])


def test_ack_form_validates_kinds_and_ids():
    import pytest
    from pydantic import ValidationError

    from devplacepy.services.sync.records import SyncAckForm

    assert SyncAckForm(origin="A.B", items='[{"kind": "posts", "origin_uid": "p1"}]').items == [{"kind": "posts", "origin_uid": "p1"}]
    for items in ([], [{"kind": "gists", "origin_uid": "x"}], [{"kind": "posts", "origin_uid": ""}], "not json"):
        with pytest.raises(ValidationError):
            SyncAckForm(origin="a.b", items=items)