#!/bin/bash

set -eu -o pipefail

# Install root administration user account on first installation
setup_root_user() {
    set -eu

    if [ ! -f "/data/gitea/conf/app.ini" ]; then
      echo "-----> Missing app.ini, not setting up root user"
      return
    fi

    user_count=$(mysql \
      -u"${DB_USER}" \
      -p"${DB_PASSWD}" \
      -h "${DOKKU_MARIADB_GITEA_PORT_3306_TCP_ADDR}" \
      --database="${DB_NAME}" \
      -N -B -e "SELECT count(*) FROM user;" \
    )

    if [[ "${user_count}" == "0" ]]; then
        echo "-----> Setting up root user for initial deployment"

        create_user=$(gitea \
          admin \
          create-user \
          --username "$ADMIN_USER" \
          --password "$ADMIN_PASS" \
          --email "$ADMIN_MAIL" \
          --admin \
        )

        if "$create_user"; then
            echo "-----> root user added"
        else
            echo "-----> Failed to add root user"
            return
        fi
    fi
}

# Pass Ansible based environment variables into the Gitea app.ini configuration
setup_app_ini() {
    set -eu

    if [ ! -f "/data/gitea/conf/app.ini" ]; then
      echo "-----> Missing app.ini, not setting up configuration"
      return
    fi

    declare app_ini="/data/gitea/conf/app.ini"

    echo "-----> Using crudini to setup configuration"

    crudini --set "$app_ini" "" APP_NAME "${APP_NAME}"
    crudini --set "$app_ini" "" RUN_MODE "${RUN_MODE}"

    crudini --set "$app_ini" ui DEFAULT_THEME "${GITEA_THEME}"

    crudini --set "$app_ini" ui.meta AUTHOR "${AUTHOR}"
    crudini --set "$app_ini" ui.meta DESCRIPTION "${DESCRIPTION}"

    crudini --del "$app_ini" database PATH
    crudini --set "$app_ini" database DB_TYPE mysql
    crudini --set "$app_ini" database HOST "${DB_HOST}"
    crudini --set "$app_ini" database NAME "${DB_NAME}"
    crudini --set "$app_ini" database USER "${DB_USER}"
    crudini --set "$app_ini" database PASSWD "${DB_PASSWD}"
    crudini --set "$app_ini" database SSL_MODE "disable"

    crudini --set "$app_ini" server PROTOCOL "http"
    crudini --set "$app_ini" server DOMAIN "${DOMAIN}"
    crudini --set "$app_ini" server ROOT_URL "https://%(DOMAIN)s/"
    crudini --set "$app_ini" server HTTP_ADDR ""
    crudini --set "$app_ini" server HTTP_PORT "${HTTP_PORT}"
    crudini --set "$app_ini" server SSH_DOMAIN "${SSH_DOMAIN}"
    crudini --set "$app_ini" server SSH_PORT "${SSH_PORT}"
    crudini --set "$app_ini" server SSH_LISTEN_PORT "${SSH_LISTEN_PORT}"

    crudini --set "$app_ini" service DISABLE_REGISTRATION "${DISABLE_REGISTRATION}"
    crudini --set "$app_ini" service ALLOW_ONLY_EXTERNAL_REGISTRATION "${ALLOW_ONLY_EXTERNAL_REGISTRATION}"

    crudini --set "$app_ini" security INSTALL_LOCK "${INSTALL_LOCK}"
    crudini --set "$app_ini" security SECRET_KEY "${SECRET_KEY}"

    crudini --set "$app_ini" oauth2 JWT_SECRET "${JWT_SECRET}"

    crudini --set "$app_ini" openid ENABLE_OPENID_SIGNIN "${ENABLE_OPENID_SIGNIN}"
    crudini --set "$app_ini" openid ENABLE_OPENID_SIGNUP "${ENABLE_OPENID_SIGNUP}"
    crudini --set "$app_ini" openid WHITELIST_URIS "${WHITELIST_URIS}"

    crudini --set "$app_ini" indexer STARTUP_TIMEOUT "${STARTUP_TIMEOUT}"

    crudini --set "$app_ini" mailer ENABLED "${MAILER_ENABLED}"
    crudini --set "$app_ini" mailer FROM "${SMTP_FROM}"
    crudini --set "$app_ini" mailer HOST "${SMTP_HOST}"
    crudini --set "$app_ini" mailer USER "${SMTP_USER}"
    crudini --set "$app_ini" mailer PASSWD "${SMTP_PASSWD}"
    crudini --set "$app_ini" mailer MAILER_TYPE "${SMTP_MAILER_TYPE}"

    crudini --set "$app_ini" markup.restructuredtext ENABLED "true"
    crudini --set "$app_ini" markup.restructuredtext FILE_EXTENSIONS ".rst"
    crudini --set "$app_ini" markup.restructuredtext RENDER_COMMAND rst2html
    crudini --set "$app_ini" markup.restructuredtext IS_INPUT_FILE "false"
}

# Main entrypoint
main() {
    set -eu

    setup_root_user
    setup_app_ini
}

main

/usr/bin/entrypoint "$@"