import os
import sys
from pathlib import Path

import dj_database_url

BASE_DIR = Path(__file__).resolve().parent.parent.parent

SECRET_KEY = os.getenv("DJANGO_SECRET_KEY", "local-dev-secret-key")
DEBUG = os.getenv("DJANGO_DEBUG", "True").lower() in ("1", "true", "yes", "on")
ALLOWED_HOSTS = [host for host in os.getenv("DJANGO_ALLOWED_HOSTS", "*").split(",") if host] or ["*"]

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "corsheaders",
    "strawberry_django",
    "accounts",
    "members",
    "sources",
    "messages.apps.MessagesConfig",
    "campaigns",
    "rules",
    "analytics",
    "billing",
    "integrations",
    "core.health",
    "django_rq",
    "mocking",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "corsheaders.middleware.CorsMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

# CORS configuration
CORS_ALLOWED_ORIGINS = [
    origin for origin in os.getenv("CORS_ALLOWED_ORIGINS", "http://localhost:3000").split(",") if origin
]
CORS_ALLOW_CREDENTIALS = True

ROOT_URLCONF = "core.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [],
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
            ],
        },
    },
]

WSGI_APPLICATION = "core.wsgi.application"

DATABASES = {"default": dj_database_url.config(default=f"sqlite:///{BASE_DIR / 'db.sqlite3'}")}

AUTH_PASSWORD_VALIDATORS = [
    {"NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator"},
    {"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator"},
    {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"},
    {"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator"},
]

LANGUAGE_CODE = "en-us"
TIME_ZONE = "UTC"
USE_I18N = True
USE_TZ = True

STATIC_URL = "static/"
STATIC_ROOT = BASE_DIR / "staticfiles"
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# GraphQL Settings
STRAWBERRY_DJANGO = {
    "GENERATE_ENUMS_FROM_CHOICES": True,
}

# JWT Settings (for GraphQL auth)
JWT_ACCESS_TOKEN_LIFETIME_MINUTES = int(os.getenv("JWT_ACCESS_TOKEN_LIFETIME_MINUTES", "60"))
JWT_REFRESH_TOKEN_LIFETIME_DAYS = int(os.getenv("JWT_REFRESH_TOKEN_LIFETIME_DAYS", "7"))
JWT_SECRET_KEY = os.getenv("JWT_SECRET_KEY", SECRET_KEY)

# RQ (Redis Queue) Configuration
REDIS_URL = os.getenv("REDIS_URL", "redis://redis:6379/0")

RQ_QUEUES: dict[str, dict[str, str | int | bool]] = {
    "high": {
        "URL": REDIS_URL,
        "DEFAULT_TIMEOUT": 500,
    },
    "default": {
        "URL": REDIS_URL,
        "DEFAULT_TIMEOUT": 360,
    },
    "low": {
        "URL": REDIS_URL,
    },
}

# Synchronous mode for tests (equivalent to CELERY_TASK_ALWAYS_EAGER)
if "test" in sys.argv or os.getenv("RQ_ASYNC", "true").lower() == "false":
    for queue_config in RQ_QUEUES.values():
        queue_config["ASYNC"] = False

# Show RQ link in Django admin
RQ_SHOW_ADMIN_LINK = True

EMAIL_HOST = os.getenv("EMAIL_HOST", "mailhog")
EMAIL_PORT = int(os.getenv("EMAIL_PORT", "1025"))
EMAIL_BACKEND = os.getenv("EMAIL_BACKEND", "django.core.mail.backends.console.EmailBackend")

EXTERNAL_SCHEDULER_TOKEN = os.getenv("EXTERNAL_SCHEDULER_TOKEN", "")

# Mock Mode Configuration
MOCK_MODE = os.getenv("MOCK_MODE", "false").lower() in ("1", "true", "yes", "on")

# GitHub App Configuration
GITHUB_APP_ID = os.getenv("GITHUB_APP_ID", "")
GITHUB_APP_CLIENT_ID = os.getenv("GITHUB_APP_CLIENT_ID", "")
GITHUB_APP_CLIENT_SECRET = os.getenv("GITHUB_APP_CLIENT_SECRET", "")
GITHUB_APP_PRIVATE_KEY_BASE64 = os.getenv("GITHUB_APP_PRIVATE_KEY_BASE64", "")
GITHUB_WEBHOOK_SECRET = os.getenv("GITHUB_WEBHOOK_SECRET", "")
GITHUB_APP_SLUG = os.getenv("GITHUB_APP_SLUG", "")

# GitHub API URLs (configurable for mock mode)
GITHUB_API_BASE_URL = os.getenv("GITHUB_API_BASE_URL", "https://api.github.com")
GITHUB_GRAPHQL_URL = os.getenv("GITHUB_GRAPHQL_URL", "https://api.github.com/graphql")
GITHUB_OAUTH_URL = os.getenv("GITHUB_OAUTH_URL", "https://github.com")

# LinkedIn OAuth Configuration
LINKEDIN_CLIENT_ID = os.getenv("LINKEDIN_CLIENT_ID", "")
LINKEDIN_CLIENT_SECRET = os.getenv("LINKEDIN_CLIENT_SECRET", "")
LINKEDIN_REDIRECT_URI = os.getenv("LINKEDIN_REDIRECT_URI", "http://localhost:8000/integrations/linkedin/callback")
LINKEDIN_API_VERSION = os.getenv("LINKEDIN_API_VERSION", "202501")
# LinkedIn API URLs (configurable for mock mode)
LINKEDIN_AUTHORIZATION_URL = os.getenv("LINKEDIN_AUTHORIZATION_URL", "https://www.linkedin.com/oauth/v2/authorization")
LINKEDIN_TOKEN_URL = os.getenv("LINKEDIN_TOKEN_URL", "https://www.linkedin.com/oauth/v2/accessToken")
LINKEDIN_API_BASE_URL = os.getenv("LINKEDIN_API_BASE_URL", "https://api.linkedin.com/rest")
LINKEDIN_OAUTH_SCOPE = "rw_organization_admin"
LINKEDIN_SYNC_INTERVAL_MINUTES = int(os.getenv("LINKEDIN_SYNC_INTERVAL_MINUTES", "15"))