#!/bin/bash

toolName="Mayan EDMS"
toolRoot="/opt/mayan-edms"
toolMediaFolder="/opt/mayan-edms/media"

step_1_info() { echo "Install libreoffice without gui"; }
step_1() {
  exe apt update
  exe apt --no-install-recommends install libreoffice -y
}

step_2_info() { echo "Get $toolName binary dependcies"; }
step_2() {
  exe apt install g++ gcc ghostscript gnupg1 graphviz libfuse2 \
  libjpeg-dev libmagic1 libpq-dev libpng-dev libtiff-dev \
  poppler-utils postgresql python-dev python-virtualenv redis-server \
  sane-utils supervisor tesseract-ocr tesseract-ocr-deu zlib1g-dev -y
}

step_3_info() { echo "Create virtual environment"; }
step_3() {
  exe adduser mayan --disabled-password --disabled-login --no-create-home --gecos -G users""
  exe mkdir -p ${toolRoot}
  exe virtualenv ${toolRoot}
  saveReturn $?
  endReturn 
  exe chown -R mayan:mayan ${toolRoot}
}

postgresDb=""
postgresUser=""
postgresPass=""
step_4_info() { echo "Create postgres database for $toolName"; }
step_4_alias() { ALIAS="createdb"; }
step_4() {
{
  exe read -p "Enter postgres user name: " postgresDb
  endCheckEmpty postgresDb "database"
  exe read -p "Enter postgres user name: " postgresUser
  endCheckEmpty postgresUser "user name"
  exe read -p "Enter postgres password: " postgresPass
  endCheckEmpty postgresPass "password"

  exe sudo -u postgres psql -c "CREATE USER ${postgresUser} WITH password '${postgresPass}';"
  # -O owner : Specifies the database user who will own the new database.
  exe sudo -u postgres createdb -O ${postgresUser} ${postgresDb}
}

step_5_info() { echo "Install $toolName"; }
step_5() {
  exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir --no-use-pep517 mayan-edms
  saveReturn $?
  endReturn 
  exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir --no-use-pep517 psycopg2==2.7.3.2 redis==2.10.6
  saveReturn $?
  endReturn 

  exe sudo -u mayan MAYAN_DATABASE_ENGINE=django.db.backends.postgresql MAYAN_DATABASE_NAME=${postgresDb} \
  MAYAN_DATABASE_PASSWORD="${postgresPass}" MAYAN_DATABASE_USER=${postgresUser} \
  MAYAN_DATABASE_HOST=127.0.0.1 MAYAN_MEDIA_ROOT=${toolMediaFolder} \
  ${toolRoot}/bin/mayan-edms.py initialsetup

  exe sudo -u mayan MAYAN_MEDIA_ROOT=${toolMediaFolder} \
  ${toolRoot}/bin/mayan-edms.py collectstatic --noinput
}

step_6_info() { echo "$toolName configuration file"; }
step_6() {
  addConf "$supervisorFile" "$supervisorFileLoc"

  exe echo "maxmemory-policy allkeys-lru" >> "$redisConfLoc"
  exe echo "save \"\"" >> "$redisConfLoc"
  exe echo "databases 1" >> "$redisConfLoc"
  exe systemctl restart redis

  exe systemctl enable supervisor
  exe systemctl restart supervisor
}

redisConfLoc="/etc/redis/redis.conf"
supervisorFileLoc="/etc/supervisor/conf.d/mayan.conf"
supervisorFile="\
[supervisord]
environment=
    MAYAN_ALLOWED_HOSTS='[\"*\"]',  # Allow access to other network hosts other than localhost
    MAYAN_CELERY_RESULT_BACKEND=\"redis://127.0.0.1:6379/0\",
    MAYAN_BROKER_URL=\"redis://127.0.0.1:6379/0\",
    PYTHONPATH=${toolRoot}/lib/python2.7/site-packages:${toolRoot}/data,
    MAYAN_MEDIA_ROOT=${toolMediaFolder},
    MAYAN_DATABASE_ENGINE=django.db.backends.postgresql,
    MAYAN_DATABASE_HOST=127.0.0.1,
    MAYAN_DATABASE_NAME=${postgresDb},
    MAYAN_DATABASE_PASSWORD=\"${postgresPass}\",
    MAYAN_DATABASE_USER=${postgresUser},
    MAYAN_DATABASE_CONN_MAX_AGE=60,
    DJANGO_SETTINGS_MODULE=mayan.settings.production

[program:mayan-gunicorn]
autorestart = true
autostart = true
command = ${toolRoot}/bin/gunicorn -w 2 mayan.wsgi --max-requests 500 --max-requests-jitter 50 --worker-class gevent --bind 0.0.0.0:8000 --timeout 120
user = mayan

[program:mayan-worker-fast]
autorestart = true
autostart = true
command = nice -n 1 ${toolRoot}/bin/mayan-edms.py celery worker -Ofair -l ERROR -Q converter,sources_fast -n mayan-worker-fast.%%h --concurrency=1
killasgroup = true
numprocs = 1
priority = 998
startsecs = 10
stopwaitsecs = 1
user = mayan

[program:mayan-worker-medium]
autorestart = true
autostart = true
command = nice -n 18 ${toolRoot}/bin/mayan-edms.py celery worker -Ofair -l ERROR -Q checkouts_periodic,documents_periodic,indexing,metadata,sources,sources_periodic,uploads,documents -n mayan-worker-medium.%%h --concurrency=1
killasgroup = true
numprocs = 1
priority = 998
startsecs = 10
stopwaitsecs = 1
user = mayan

[program:mayan-worker-slow]
autorestart = true
autostart = true
command = nice -n 19 ${toolRoot}/bin/mayan-edms.py celery worker -Ofair -l ERROR -Q mailing,tools,statistics,parsing,ocr -n mayan-worker-slow.%%h --concurrency=1
killasgroup = true
numprocs = 1
priority = 998
startsecs = 10
stopwaitsecs = 1
user = mayan

[program:mayan-celery-beat]
autorestart = true
autostart = true
command = nice -n 1 ${toolRoot}/bin/mayan-edms.py celery beat --pidfile= -l ERROR
killasgroup = true
numprocs = 1
priority = 998
startsecs = 10
stopwaitsecs = 1
user = mayan"

. sequencer.sh