"""OA 实例评论：附件枚举与引用校验"""
import unittest

from app.services.oa_instance_comment import (
    enumerate_form_attachments,
    normalize_attachment_refs,
)


class TestEnumerateFormAttachments(unittest.TestCase):
    def test_groups_upload_fields(self):
        schema = {
            "rule": [
                {
                    "type": "upload",
                    "field": "files",
                    "title": "附件",
                },
                {"type": "input", "field": "name", "title": "名称"},
            ]
        }
        form = {
            "files": [
                {"url": "https://x/a.pdf", "name": "a.pdf"},
                {"url": "https://x/b.pdf", "name": "b.pdf"},
            ],
            "name": "demo",
        }
        items = enumerate_form_attachments(schema, form)
        self.assertEqual(len(items), 1)
        self.assertEqual(items[0]["fieldKey"], "files")
        self.assertEqual(items[0]["fieldLabel"], "附件")
        self.assertEqual(len(items[0]["files"]), 2)
        self.assertEqual(items[0]["files"][0]["fileName"], "a.pdf")

    def test_skips_empty_upload(self):
        schema = {"rule": [{"type": "fcUpload", "field": "f", "title": "F"}]}
        self.assertEqual(enumerate_form_attachments(schema, {"f": []}), [])


class TestNormalizeAttachmentRefs(unittest.TestCase):
    def test_accepts_valid_ref(self):
        schema = {"rule": [{"type": "upload", "field": "files", "title": "附件"}]}
        form = {"files": [{"url": "https://x/a.pdf", "name": "a.pdf"}]}
        out = normalize_attachment_refs(
            schema,
            form,
            [{"fieldKey": "files", "url": "https://x/a.pdf", "fileName": "wrong"}],
        )
        self.assertEqual(out[0]["fileName"], "a.pdf")
        self.assertEqual(out[0]["fieldLabel"], "附件")

    def test_rejects_foreign_url(self):
        from app.services.oa_engine import OaEngineError

        schema = {"rule": [{"type": "upload", "field": "files", "title": "附件"}]}
        form = {"files": [{"url": "https://x/a.pdf", "name": "a.pdf"}]}
        with self.assertRaises(OaEngineError):
            normalize_attachment_refs(
                schema,
                form,
                [{"fieldKey": "files", "url": "https://evil/x.pdf"}],
            )