"""套餐目录：单一事实来源，供 plan service 与 quota 共用（避免 plan↔quota 循环依赖）。"""

from app.core.config import settings
from app.features.plan.schemas import PlanResponse

ENABLE_TEST_PLAN = settings.enable_test_plan

AVAILABLE_PLANS = [
    PlanResponse(
        id="free",
        name="free",
        display_name="免费体验版",
        price=0.0,
        currency="CNY",
        features=["500 轮对话", "1 个章节整理", "完整回忆录生成流程"],
        max_conversations=500,
        max_chapters=1,
        is_popular=False,
    ),
    PlanResponse(
        id="pro",
        name="pro",
        display_name="Pro 版",
        price=88.0,
        currency="CNY",
        features=["2000 轮对话", "无章节限制", "完整回忆录生成"],
        max_conversations=2000,
        is_popular=True,
    ),
    PlanResponse(
        id="pro_plus",
        name="pro_plus",
        display_name="Pro+ 版",
        price=288.0,
        currency="CNY",
        features=["10000 轮对话", "无章节限制", "完整回忆录生成", "长期创作无忧"],
        max_conversations=10000,
        is_popular=False,
    ),
]

TEST_PLAN = PlanResponse(
    id="test",
    name="test",
    display_name="一分钱测试版",
    price=0.01,
    currency="CNY",
    features=["无限对话", "无限章节整理", "仅用于开发环境测试支付"],
    is_popular=False,
)


def get_plans_for_api() -> list[PlanResponse]:
    if ENABLE_TEST_PLAN:
        return AVAILABLE_PLANS + [TEST_PLAN]
    return list(AVAILABLE_PLANS)


def get_plan_by_type(subscription_type: str) -> PlanResponse:
    if subscription_type == "premium":
        subscription_type = "pro"
    if subscription_type == "test":
        return TEST_PLAN if ENABLE_TEST_PLAN else AVAILABLE_PLANS[0]
    for plan in AVAILABLE_PLANS:
        if plan.id == subscription_type:
            return plan
    return AVAILABLE_PLANS[0]