# 接口 3 Oracle 仓库：INSERT 绑 fid；按主键认重复；一批 executemany。不连真库。

from __future__ import annotations

from datetime import date
from decimal import Decimal

import pytest

from app.inbound.repo import RepoUnavailable
from tests.fake_oracle import FakeDb


# 构造一条表 3 落库记录。
def _record(**overrides):
    row = {
        "fid": 200001,
        "oms_id": 20260928000001,
        "supplier_id": "SUP001",
        "supplier_name": "示例供应商",
        "contract_sign_date": date(2026, 9, 28),
        "contract_start_date": date(2026, 10, 1),
        "contract_end_date": date(2027, 9, 30),
        "payment_term": 90,
        "goods_id": "G000123456789",
        "goods_name": "阿莫西林胶囊",
        "reg_no": "国药准字H20201234",
        "spec": "0.25g*24粒",
        "unit": "盒",
        "qty": Decimal("10.0000"),
        "purchase_tax_rate": Decimal("0.1300"),
        "unit_price": Decimal("100.0000"),
        "goods_source_id": "GS001",
        "purchaser_id": "P001",
        "purchaser_name": "张三",
        "planner_id": "PL001",
        "planner_name": "李四",
        "contract_entry_status": None,
        "contract_no": None,
        "org_code": "901",
        "customer_type": 1,
        "goods_mdm_code": "QX0100167583",
        "supplier_mdm_code": "DW0100046361",
        "process_status": 0,
    }
    row.update(overrides)
    return row


# 缺 host 时 get_pool 抛「数据库不可用」。
def test_from_env_without_host_raises(monkeypatch):
    monkeypatch.delenv("RPA_ORACLE_HOST", raising=False)
    import app.main as main

    main._pool = None
    with pytest.raises(RepoUnavailable) as caught:
        main.get_pool()
    assert caught.value.message == "数据库不可用"


# pk_rpa_pcd 冲突时 insert_many 把该 fid 放进重复集合。
def test_insert_unique_violation_is_duplicate_fid():
    from app.inbound.oracle_contract_repo import OraclePurchaseContractRepo

    db = FakeDb()
    db.collide_contracts.add(200001)
    repo = OraclePurchaseContractRepo(db.connection())
    collided = repo.insert_many([_record()])
    assert collided == {200001}


# 未知唯一约束不当成 fid 重复，抛「数据库不可用」。
def test_unknown_unique_constraint_raises_unavailable():
    from app.inbound.oracle_contract_repo import OraclePurchaseContractRepo

    db = FakeDb()
    db.collide_contracts.add(200001)
    db.collide_constraint = "UK_SOMETHING_ELSE"
    repo = OraclePurchaseContractRepo(db.connection())
    with pytest.raises(RepoUnavailable) as caught:
        repo.insert_many([_record()])
    assert caught.value.message == "数据库不可用"


# 待插入多行时一次 executemany，且 batcherrors=True。
def test_insert_many_uses_executemany():
    from app.inbound.oracle_contract_repo import OraclePurchaseContractRepo

    db = FakeDb()
    repo = OraclePurchaseContractRepo(db.connection())
    assert repo.existing_fids([1, 2]) == set()
    collided = repo.insert_many([_record(fid=1, oms_id=1), _record(fid=2, oms_id=2)])
    assert collided == set()
    assert set(db.contracts) == {1, 2}
    many = [c for c in db.calls if c[0] == "executemany"]
    assert len(many) == 1
    assert many[0][3] is True


# INSERT 绑来源 fid，process_status 用字面量 0。
def test_insert_sql_binds_source_fid_and_pending_status():
    from app.inbound.oracle_contract_repo import _BIND_KEYS, _INSERT_SQL

    sql = " ".join(_INSERT_SQL.split())
    assert "fid" in sql
    assert ":fid" in sql
    assert "process_status" in sql
    assert "SYSTIMESTAMP" in sql
    assert "fid" in _BIND_KEYS
    assert "oms_id" in _BIND_KEYS
    assert "goods_mdm_code" in _BIND_KEYS
    assert "supplier_mdm_code" in _BIND_KEYS