"""
Application configuration by environment.
数据库：腾讯云 MySQL (liaotian_db)
"""
import os
from datetime import timedelta

# 腾讯云 MySQL - 默认开发/生产库
DEFAULT_DATABASE_URL = (
    "mysql+pymysql://root:!Rjb12191@"
    "gz-cynosdbmysql-grp-d26pzce5.sql.tencentcdb.com:24936/"
    "liaotian_db?charset=utf8mb4"
)


class Config:
    """Base config."""
    SECRET_KEY = os.getenv("SECRET_KEY", "dev-secret-change-in-production")
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    # 知你客服 Agent 代理：与 androidExampleDemo 一致，8037 使用 admin/123456
    PLATFORM_BASE_URL = os.getenv("PLATFORM_BASE_URL", "http://101.43.95.130:8037")
    PLATFORM_USERNAME = os.getenv("PLATFORM_USERNAME", "admin")
    PLATFORM_PASSWORD = os.getenv("PLATFORM_PASSWORD", "123456")
    PLATFORM_AGENT_ID = os.getenv("PLATFORM_AGENT_ID", "7332bba7-f9e7-4e10-9af6-7a0509a3ef97")
    JWT_ACCESS_TOKEN_EXPIRES = timedelta(hours=1)
    JWT_REFRESH_TOKEN_EXPIRES = timedelta(days=7)
    JWT_TOKEN_LOCATION = ["headers"]
    MAX_CONTENT_LENGTH = 10 * 1024 * 1024  # 10MB
    UPLOAD_FOLDER = os.getenv("UPLOAD_FOLDER", "/tmp/chat_uploads")


class DevelopmentConfig(Config):
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = os.getenv("DATABASE_URL", DEFAULT_DATABASE_URL)
    REDIS_URL = os.getenv("REDIS_URL", "redis://localhost:6379/0")
    CELERY_BROKER_URL = os.getenv("CELERY_BROKER_URL", "redis://localhost:6379/1")


class TestingConfig(Config):
    TESTING = True
    SQLALCHEMY_DATABASE_URI = os.getenv(
        "TEST_DATABASE_URL",
        "mysql+pymysql://root:postgres@localhost:3306/liaotian_db_test?charset=utf8mb4"
    )
    REDIS_URL = os.getenv("REDIS_URL", "redis://localhost:6379/2")
    WTF_CSRF_ENABLED = False


class ProductionConfig(Config):
    DEBUG = False
    SQLALCHEMY_DATABASE_URI = os.getenv("DATABASE_URL", DEFAULT_DATABASE_URL)
    REDIS_URL = os.getenv("REDIS_URL")
    CELERY_BROKER_URL = os.getenv("CELERY_BROKER_URL") or os.getenv("REDIS_URL")


config_by_name = {
    "development": DevelopmentConfig,
    "testing": TestingConfig,
    "production": ProductionConfig,
}