#!/usr/bin/env bash
#############################################################################
#                                                                           #
# Blurt-in-a-box Easy Installer                                             #
#                                                                           #
# Created by Someguy123 (github.com/Someguy123)                             #
# (C) 2020 - Created by Someguy123                                          #
#                                                                           #
#     https://github.com/Someguy123 |||  https://peakd.com/@someguy123      #
#                                                                           #
# Blurt chain files hosted by Privex™                                       #
#                                                                           #
# Buy a server from https://www.privex.io  :)                               #
#                                                                           #
# Usage:                                                                    #
#                                                                           #
#   curl -fsSL https://cdn.privex.io/extras/ezblurt.sh | bash               #
#                                                                           #
#############################################################################


: ${BLURT_DIR="/blurt"}
: ${SG_REPO="https://github.com/Someguy123/blurt-docker.git"}

has_binary() {
    /usr/bin/env which "$1" > /dev/null
}


# Error handling function for ShellCore
_sc_fail() { >&2 echo "Failed to load or install Privex ShellCore..." && exit 1; }
# If `load.sh` isn't found in the user install / global install, then download and run the auto-installer
# from Privex's CDN.
[[ -f "${HOME}/.pv-shcore/load.sh" ]] || [[ -f "/usr/local/share/pv-shcore/load.sh" ]] || \
    { curl -fsS https://cdn.privex.io/github/shell-core/install.sh | bash >/dev/null; } || _sc_fail

# Attempt to load the local install of ShellCore first, then fallback to global install if it's not found.
[[ -d "${HOME}/.pv-shcore" ]] && source "${HOME}/.pv-shcore/load.sh" || \
    source "/usr/local/share/pv-shcore/load.sh" || _sc_fail

autoupdate_shellcore


msg
msg bold purple " ====================================================== "
msg bold purple " #                                                    # "
msg bold purple " # Blurt-in-a-box Easy Installer                      # "
msg bold purple " #                                                    # "
msg bold purple " # Created by Someguy123 (github.com/Someguy123)      # "
msg bold purple " # (C) 2020 - Someguy123                              # "
msg bold purple " #                                                    # "
msg bold purple " # Blurt chain files hosted by Privex™                # "
msg bold purple " #                                                    # "
msg bold purple " # Buy a server from https://www.privex.io  :)        # "
msg bold purple " #                                                    # "
msg bold purple " ====================================================== "
msg

if ! has_binary sudo; then
  if [[ "$(whoami)" == "root" ]]; then
    sudo() {
      env "$@"
    }
  else
    >&2 msg red "ERROR: You are not 'root', and sudo is not available!"
    >&2 msg red "Please become root (maybe with 'su') and then run this script."
    exit 3
  fi
fi

msg green "\n >>> Updating apt + installing dependencies\n"
sudo apt update -qy >/dev/null
sudo apt install -qy curl jq pv wget git rsync >/dev/null

if [[ ! -d /blurt ]]; then
  msg green " >>> Creating $BLURT_DIR\n"
  sudo mkdir -v /blurt
fi

msg green "\n >>> Fixing permissions for $BLURT_DIR\n"

CUR_USER="$(whoami)"
sudo chmod -Rv 775 "$BLURT_DIR"
sudo chown -Rv "${CUR_USER}:${CUR_USER}" "$BLURT_DIR"

msg green "\n >>> Cloning blurt-docker into $BLURT_DIR\n"

if ! git clone "$SG_REPO" "$BLURT_DIR"; then
  >&2 msg bold red "\n !!! Failed to clone $SG_REPO - aborting !!!\n"
  exit 1
fi


cd "$BLURT_DIR"

msg green "\n >>> Setting up .env\n"

{
  echo "NETWORK=blurt"
  echo "DOCKER_NAME=blurt"
  echo "DATADIR=${BLURT_DIR}/data"
  echo "SHM_DIR=${BLURT_DIR}/data/shm"
} >> .env

[[ ! -d "${BLURT_DIR}/data/shm" ]] && mkdir -p "${BLURT_DIR}/data/shm"
[[ ! -d "${BLURT_DIR}/data/witness_node_data_dir/blockchain" ]] && mkdir -p "${BLURT_DIR}/data/witness_node_data_dir/blockchain"

msg bold green "\n >>> Downloading block_log and block_log.index from files.privex.io\n"
sudo rsync -avh --progress 'rsync://files.privex.io/blockchains/blurt/block_log' "${BLURT_DIR}/data/witness_node_data_dir/blockchain/"
sudo rsync -avh --progress 'rsync://files.privex.io/blockchains/blurt/block_log.index' "${BLURT_DIR}/data/witness_node_data_dir/blockchain/"

msg bold green "\n >>> Downloading shared_memory.bin from files.privex.io\n"
sudo rsync -avh --sparse --progress 'rsync://files.privex.io/blockchains/blurt/shared_memory.bin' "${BLURT_DIR}/data/shm/"

if ! has_binary docker; then
  msg bold green "\n >>> Installing docker ...\n"
  curl -fsSL https://get.docker.com | sudo sh
  if [[ "$(whoami)" != "root" ]]; then
    sudo gpasswd -a "$(whoami)" docker
  fi
fi

msg bold green "\n >>> Downloading/installing someguy123/blurt:latest\n"

sudo ./run.sh install someguy123/blurt:latest

msg bold green "\n >>> Starting blurt\n"

sudo ./run.sh start
msg
msg bold purple " ====================================================== "
msg bold purple " #                                                    # "
msg bold purple " # Blurt-in-a-box Easy Installer                      # "
msg bold purple " #                                                    # "
msg bold purple " # Created by Someguy123 (github.com/Someguy123)      # "
msg bold purple " # (C) 2020 - Someguy123                              # "
msg bold purple " #                                                    # "
msg bold purple " # Blurt chain files hosted by Privex™                # "
msg bold purple " #                                                    # "
msg bold purple " # Buy a server from https://www.privex.io  :)        # "
msg bold purple " #                                                    # "
msg bold purple " ====================================================== "
msg

msg bold green "\n +++ Finished installing Blurt into $BLURT_DIR +++ \n"
echo
msg cyan "Blurt-in-a-box (blurt-docker) is located at $BLURT_DIR"
msg cyan "Your config is at ${BLURT_DIR}/data/witness_node_data_dir/config.ini"
msg cyan "The blockchain is at: ${BLURT_DIR}/data/witness_node_data_dir/blockchain/"
msg cyan "Shared memory is at: ${BLURT_DIR}/data/shm/"
echo