# rpa_oracle.env：.env 只补缺，不覆盖已有非空环境变量。

from __future__ import annotations

import os

from rpa_oracle.env import job_env_files, load_env


# 缺的键从文件补上，已有非空环境变量保持不变。
def test_load_env_fills_missing_and_keeps_existing(tmp_path, monkeypatch):
    monkeypatch.setenv("OMS_REPO", "memory")
    monkeypatch.delenv("RPA_ORACLE_PASSWORD", raising=False)
    env_file = tmp_path / ".env"
    env_file.write_text(
        "OMS_REPO=oracle\nRPA_ORACLE_PASSWORD=not-for-git\n# comment\n\n",
        encoding="utf-8",
    )
    load_env(env_file)
    assert os.environ["OMS_REPO"] == "memory"
    assert os.environ["RPA_ORACLE_PASSWORD"] == "not-for-git"


# 已有变量为空字符串时，用 .env 里的值补上。
def test_load_env_fills_empty_existing(tmp_path, monkeypatch):
    monkeypatch.setenv("RPA_ORACLE_USER", "")
    env_file = tmp_path / ".env"
    env_file.write_text("RPA_ORACLE_USER=rpainit\n", encoding="utf-8")
    load_env(env_file)
    assert os.environ["RPA_ORACLE_USER"] == "rpainit"


# 去掉值两边成对的单引号或双引号。
def test_load_env_strips_matching_quotes(tmp_path, monkeypatch):
    monkeypatch.delenv("FOO", raising=False)
    monkeypatch.delenv("BAZ", raising=False)
    env_file = tmp_path / ".env"
    env_file.write_text("FOO=\"bar\"\nBAZ='qux'\n", encoding="utf-8")
    load_env(env_file)
    assert os.environ["FOO"] == "bar"
    assert os.environ["BAZ"] == "qux"


# 加购先读本包，再读选品，最后读 oms。
def test_job_env_files_cart_includes_selection_then_oms(tmp_path):
    cart = tmp_path / "rpa_cart"
    cart.mkdir()
    assert job_env_files(cart) == (
        cart / ".env",
        tmp_path / "rpa_selection" / ".env",
        tmp_path / "rpa_oms" / ".env",
    )


# 选品、合同、返利不读商城 .env，只补 oms。
def test_job_env_files_other_package_skips_selection(tmp_path):
    selection = tmp_path / "rpa_selection"
    selection.mkdir()
    assert job_env_files(selection) == (
        selection / ".env",
        tmp_path / "rpa_oms" / ".env",
    )


# 文件不存在时不报错、不改环境。
def test_load_env_missing_file_is_noop(tmp_path):
    load_env(tmp_path / "nope.env")


# 多个 .env 按顺序补缺，先读到的非空值留下。
def test_load_env_later_file_does_not_override_earlier(tmp_path, monkeypatch):
    monkeypatch.delenv("A", raising=False)
    one = tmp_path / "a.env"
    two = tmp_path / "b.env"
    one.write_text("A=first\n", encoding="utf-8")
    two.write_text("A=second\n", encoding="utf-8")
    load_env(one, two)
    assert os.environ["A"] == "first"