import os

import dotenv

DEFAULTS = {
    'HOSTED_OPENAI_QUOTA_LIMIT': 200,
    'HOSTED_OPENAI_TRIAL_ENABLED': 'False',
    'HOSTED_OPENAI_TRIAL_MODELS': 'gpt-3.5-turbo,gpt-3.5-turbo-1106,gpt-3.5-turbo-instruct,gpt-3.5-turbo-16k,gpt-3.5-turbo-16k-0613,gpt-3.5-turbo-0613,gpt-3.5-turbo-0125,text-davinci-003',
    'HOSTED_OPENAI_PAID_ENABLED': 'False',
    'HOSTED_OPENAI_PAID_MODELS': 'gpt-4,gpt-4-turbo-preview,gpt-4-turbo-2024-04-09,gpt-4-1106-preview,gpt-4-0125-preview,gpt-3.5-turbo,gpt-3.5-turbo-16k,gpt-3.5-turbo-16k-0613,gpt-3.5-turbo-1106,gpt-3.5-turbo-0613,gpt-3.5-turbo-0125,gpt-3.5-turbo-instruct,text-davinci-003',
    'HOSTED_AZURE_OPENAI_ENABLED': 'False',
    'HOSTED_AZURE_OPENAI_QUOTA_LIMIT': 200,
    'HOSTED_ANTHROPIC_QUOTA_LIMIT': 600000,
    'HOSTED_ANTHROPIC_TRIAL_ENABLED': 'False',
    'HOSTED_ANTHROPIC_PAID_ENABLED': 'False',
    'HOSTED_MODERATION_ENABLED': 'False',
    'HOSTED_MODERATION_PROVIDERS': '',
    'HOSTED_FETCH_APP_TEMPLATES_MODE': 'remote',
    'HOSTED_FETCH_APP_TEMPLATES_REMOTE_DOMAIN': 'https://tmpl.dify.ai',
}


def get_env(key):
    return os.environ.get(key, DEFAULTS.get(key))


def get_bool_env(key):
    value = get_env(key)
    return value.lower() == 'true' if value is not None else False


def get_cors_allow_origins(env, default):
    cors_allow_origins = []
    if get_env(env):
        for origin in get_env(env).split(','):
            cors_allow_origins.append(origin)
    else:
        cors_allow_origins = [default]

    return cors_allow_origins


class Config:
    """Application configuration class."""

    def __init__(self):
        dotenv.load_dotenv()

        self.TESTING = False

        # cors settings
        self.CONSOLE_CORS_ALLOW_ORIGINS = get_cors_allow_origins(
            'CONSOLE_CORS_ALLOW_ORIGINS', get_env('CONSOLE_WEB_URL'))
        self.WEB_API_CORS_ALLOW_ORIGINS = get_cors_allow_origins(
            'WEB_API_CORS_ALLOW_ORIGINS', '*')

        # ------------------------
        # Platform Configurations.
        # ------------------------
        self.HOSTED_OPENAI_API_KEY = get_env('HOSTED_OPENAI_API_KEY')
        self.HOSTED_OPENAI_API_BASE = get_env('HOSTED_OPENAI_API_BASE')
        self.HOSTED_OPENAI_API_ORGANIZATION = get_env('HOSTED_OPENAI_API_ORGANIZATION')
        self.HOSTED_OPENAI_TRIAL_ENABLED = get_bool_env('HOSTED_OPENAI_TRIAL_ENABLED')
        self.HOSTED_OPENAI_TRIAL_MODELS = get_env('HOSTED_OPENAI_TRIAL_MODELS')
        self.HOSTED_OPENAI_QUOTA_LIMIT = int(get_env('HOSTED_OPENAI_QUOTA_LIMIT'))
        self.HOSTED_OPENAI_PAID_ENABLED = get_bool_env('HOSTED_OPENAI_PAID_ENABLED')
        self.HOSTED_OPENAI_PAID_MODELS = get_env('HOSTED_OPENAI_PAID_MODELS')

        self.HOSTED_AZURE_OPENAI_ENABLED = get_bool_env('HOSTED_AZURE_OPENAI_ENABLED')
        self.HOSTED_AZURE_OPENAI_API_KEY = get_env('HOSTED_AZURE_OPENAI_API_KEY')
        self.HOSTED_AZURE_OPENAI_API_BASE = get_env('HOSTED_AZURE_OPENAI_API_BASE')
        self.HOSTED_AZURE_OPENAI_QUOTA_LIMIT = int(get_env('HOSTED_AZURE_OPENAI_QUOTA_LIMIT'))

        self.HOSTED_ANTHROPIC_API_BASE = get_env('HOSTED_ANTHROPIC_API_BASE')
        self.HOSTED_ANTHROPIC_API_KEY = get_env('HOSTED_ANTHROPIC_API_KEY')
        self.HOSTED_ANTHROPIC_TRIAL_ENABLED = get_bool_env('HOSTED_ANTHROPIC_TRIAL_ENABLED')
        self.HOSTED_ANTHROPIC_QUOTA_LIMIT = int(get_env('HOSTED_ANTHROPIC_QUOTA_LIMIT'))
        self.HOSTED_ANTHROPIC_PAID_ENABLED = get_bool_env('HOSTED_ANTHROPIC_PAID_ENABLED')

        self.HOSTED_MINIMAX_ENABLED = get_bool_env('HOSTED_MINIMAX_ENABLED')
        self.HOSTED_SPARK_ENABLED = get_bool_env('HOSTED_SPARK_ENABLED')
        self.HOSTED_ZHIPUAI_ENABLED = get_bool_env('HOSTED_ZHIPUAI_ENABLED')

        self.HOSTED_MODERATION_ENABLED = get_bool_env('HOSTED_MODERATION_ENABLED')
        self.HOSTED_MODERATION_PROVIDERS = get_env('HOSTED_MODERATION_PROVIDERS')

        # fetch app templates mode, remote, builtin, db(only for dify SaaS), default: remote
        self.HOSTED_FETCH_APP_TEMPLATES_MODE = get_env('HOSTED_FETCH_APP_TEMPLATES_MODE')
        self.HOSTED_FETCH_APP_TEMPLATES_REMOTE_DOMAIN = get_env('HOSTED_FETCH_APP_TEMPLATES_REMOTE_DOMAIN')