#!/bin/bash

function getConfig() {
  if [[ ! -n ${PHP_VERSION} ]]; then
    while true; do
      read -p "Which PHP version is your project using? [0=No, 1=Yes] " PHP_VERSION
      case ${PHP_VERSION} in
      7.0) break ;;
      7.1) break ;;
      7.2) break ;;
      7.3) break ;;
      7.4) break ;;
      8.0) break ;;
      8.1) break ;;
      *) echo "Version not supported." ;;
      esac
    done
  fi
  if [[ ! -n ${COMPOSER_DOWNGRADE} ]]; then
    while true; do
      read -p "Do you want to downgrade Composer to version 1? [0=No, 1=Yes] " COMPOSER_DOWNGRADE
      case ${COMPOSER_DOWNGRADE} in
      0) break ;;
      1) break ;;
      *) echo "Only 1 or 0 are valid responses." ;;
      esac
    done
  fi
  if [[ ! -n ${COMPOSE_PROJECT_NAME} ]]; then
    read -p "Name your project (used as subdomain): " COMPOSE_PROJECT_NAME
  fi
}

function exitContainer() {
  if [[ "$L3D_ALWAYS_CLEANUP" == "1" ]]; then
    /usr/local/bin/delete $COMPOSE_PROJECT_NAME
  fi
}

function startContainer() {
  if [[ -n ${COMPOSE_PROJECT_NAME} ]]; then
    mode=REBUILD
    if [[ $COMPOSE_PROJECT_NAME == "." ]]; then
      mode=NONPRESISTENT
    else
      ID=$(docker container ls --all -q -f name=^${COMPOSE_PROJECT_NAME}_l3d$)
      if [[ -n ${ID} ]]; then
        docker start ${COMPOSE_PROJECT_NAME}_l3d
        mode=REGULAR
      fi
    fi
    if [[ "$mode" != "REGULAR" ]]; then
      start_params=(
        --env L3DHOSTDIR=${WORKDIR}
        --env L3DVERSION=${L3DVERSION}
        --env L3DSHELL=${L3DSHELL}
        --env L3D_ALWAYS_CLEANUP=${L3D_ALWAYS_CLEANUP}
        --env HOME=/home/${USERNAME}
        --env COMPOSE_PROJECT_NAME=${COMPOSE_PROJECT_NAME}
        --env COMPOSER_DOWNGRADE=${COMPOSER_DOWNGRADE}
        --env PHP_VERSION=${PHP_VERSION}
        --env SSH_AUTH_SOCK=${SSHAUTHSOCK}
        --volume ${L3DDOCKERHOST}:/var/run/docker.sock
        --volume ${WORKDIR}:/drupal
        --volume ${SSHAUTH}:${SSHAUTHSOCK}
        --volume ${HOMEDIR}:/home/${USERNAME}
        --workdir /drupal
      )
      if [[ ${L3DHOSTOS} != Darwin ]]; then
        start_params+=(
          --user ${USERID}:${GROUPID}
          --group-add ${GROUPIDS// / --group-add }
          --volume /etc/group:/etc/group:ro
          --volume /etc/passwd:/etc/passwd:ro
          --volume /etc/shadow:/etc/shadow:ro
          --volume /etc/sudoers:/etc/sudoers:ro
          --volume /etc/sudoers.d:/etc/sudoers.d:ro
        )
        # else
        # (see #62) Disabled for now.
        #start_params+=(
        #  --volume ${HOMEDIR}/.passwd:/etc/passwd:ro
        #)
      fi
      if [[ "$mode" == "REBUILD" ]]; then
        start_params+=(
          --hostname ${COMPOSE_PROJECT_NAME}-l3d
        )
        docker run --name ${COMPOSE_PROJECT_NAME}_l3d -dt \
          "${start_params[@]}" \
          --restart unless-stopped \
          registry.lakedrops.com/docker/l3d/php-${PHP_VERSION}:${L3DVERSION}
      else
        start_params+=(
          --hostname "L3D"
          --env HOMEDIR=${HOMEDIR}
          --env WORKDIR=${WORKDIR}
          --env SSHAUTH=${SSHAUTH}
        )
        docker run -it --rm \
          "${start_params[@]}" \
          registry.lakedrops.com/docker/l3d/php-${PHP_VERSION}:${L3DVERSION} \
          /usr/local/bin/.start
        exitContainer
        return
      fi
    fi
    docker exec -it \
      --env HOMEDIR=${HOMEDIR} \
      --env WORKDIR=${WORKDIR} \
      --env SSHAUTH=${SSHAUTH} \
      ${COMPOSE_PROJECT_NAME}_l3d \
      /usr/local/bin/.start
    exitContainer
  fi
}

if [[ -n $1 ]]; then
  if [[ "$1" == "." ]]; then
    COMPOSE_PROJECT_NAME=.
  else
    ID=$(docker container ls --all -q -f name=^$1_l3d$)
    if [[ -n ${ID} ]]; then
      PHP_VERSION=unknown
      COMPOSE_PROJECT_NAME=$1
    fi
  fi
fi
getConfig
startContainer