"""
Default configuration for fatcat web interface (Flask application).

In production, we currently reconfigure these values using environment
variables, not by (eg) deploying a variant copy of this file.

This config is *only* for the web interface, *not* for any of the workers or
import scripts.
"""

import os
import raven
import subprocess

basedir = os.path.abspath(os.path.dirname(__file__))

class Config(object):
    GIT_REVISION = subprocess.check_output(["git", "describe", "--tags", "--long", "--always"]).strip().decode('utf-8')

    # This is, effectively, the QA/PROD flag
    FATCAT_DOMAIN = os.environ.get("FATCAT_DOMAIN", default="dev.fatcat.wiki")
    FATCAT_API_AUTH_TOKEN = os.environ.get("FATCAT_API_AUTH_TOKEN", default=None)
    FATCAT_API_HOST = os.environ.get("FATCAT_API_HOST", default=f"https://api.{FATCAT_DOMAIN}/v0")
    public_host_default = f"https://api.{FATCAT_DOMAIN}/v0"
    if FATCAT_DOMAIN == "dev.fatcat.wiki":
        public_host_default = FATCAT_API_HOST
    FATCAT_PUBLIC_API_HOST = os.environ.get("FATCAT_PUBLIC_API_HOST", default=public_host_default)

    # can set this to https://search.fatcat.wiki for some experimentation
    ELASTICSEARCH_BACKEND = os.environ.get("ELASTICSEARCH_BACKEND", default="http://localhost:9200")
    ELASTICSEARCH_RELEASE_INDEX = os.environ.get("ELASTICSEARCH_RELEASE_INDEX", default="fatcat_release")
    ELASTICSEARCH_CONTAINER_INDEX = os.environ.get("ELASTICSEARCH_CONTAINER_INDEX", default="fatcat_container")

    # for save-paper-now. set to None if not configured, so we don't display forms/links
    KAFKA_PIXY_ENDPOINT = os.environ.get("KAFKA_PIXY_ENDPOINT", default=None) or None
    KAFKA_SAVEPAPERNOW_TOPIC = os.environ.get("KAFKA_SAVEPAPERNOW_TOPIC", default="sandcrawler-dev.ingest-file-requests-priority")

    # for flask things, like session cookies
    FLASK_SECRET_KEY = os.environ.get("FLASK_SECRET_KEY", default=None)
    SECRET_KEY = FLASK_SECRET_KEY

    ORCID_CLIENT_ID = os.environ.get("ORCID_CLIENT_ID", default=None)
    ORCID_CLIENT_SECRET = os.environ.get("ORCID_CLIENT_SECRET", default=None)

    WIKIPEDIA_CLIENT_ID = os.environ.get("WIKIPEDIA_CLIENT_ID", default=None)
    WIKIPEDIA_CLIENT_SECRET = os.environ.get("WIKIPEDIA_CLIENT_SECRET", default=None)

    GITLAB_CLIENT_ID = os.environ.get("GITLAB_CLIENT_ID", default=None)
    GITLAB_CLIENT_SECRET = os.environ.get("GITLAB_CLIENT_SECRET", default=None)

    GITHUB_CLIENT_ID = os.environ.get("GITHUB_CLIENT_ID", default=None)
    GITHUB_CLIENT_SECRET = os.environ.get("GITHUB_CLIENT_SECRET", default=None)

    IA_XAUTH_URI = "https://archive.org/services/xauthn/"
    IA_XAUTH_CLIENT_ID = os.environ.get("IA_XAUTH_CLIENT_ID", default=None)
    IA_XAUTH_CLIENT_SECRET = os.environ.get("IA_XAUTH_CLIENT_SECRET", default=None)

    # analytics; used in production
    ENABLE_GOATCOUNTER = bool(os.environ.get("ENABLE_GOATCOUNTER", default=False))
    GOATCOUNTER_ENDPOINT = os.environ.get("GOATCOUNTER_ENDPOINT", default="https://goatcounter.fatcat.wiki/count")
    GOATCOUNTER_SCRIPT_URL = os.environ.get("GOATCOUNTER_SCRIPT_URL", default="https://goatcounter.fatcat.wiki/count.js")

    # controls granularity of "shadow_only" preservation category
    FATCAT_MERGE_SHADOW_PRESERVATION = os.environ.get("FATCAT_MERGE_SHADOW_PRESERVATION", default=False)

    # CSRF on by default, but only for WTF forms (not, eg, search, lookups, GET
    # forms)
    WTF_CSRF_CHECK_DEFAULT = False
    WTF_CSRF_TIME_LIMIT = None

    # for login redirects
    USE_SESSION_FOR_NEXT = True

    if FATCAT_DOMAIN == "dev.fatcat.wiki":
        # "Even more verbose" debug options
        #SQLALCHEMY_ECHO = True
        #DEBUG = True
        pass
    else:
        # protect cookies (which include API tokens)
        SESSION_COOKIE_HTTPONLY = True
        SESSION_COOKIE_SECURE = True
        SESSION_COOKIE_SAMESITE = 'Lax'
        PERMANENT_SESSION_LIFETIME = 2678400 # 31 days, in seconds

    try:
        GIT_RELEASE = raven.fetch_git_sha('..')
    except Exception as e:
        print("WARNING: couldn't set sentry git release automatically: " + str(e))
        GIT_RELEASE = None

    SENTRY_CONFIG = {
        #'include_paths': ['fatcat_web', 'fatcat_openapi_client', 'fatcat_tools'],
        'enable-threads': True, # for uWSGI
        'release': GIT_RELEASE,
        'tags': {
            'fatcat_domain': FATCAT_DOMAIN,
        },
    }