#!/usr/bin/env bash
# shellcheck disable=SC1091

set -e

GO_IPFS_VERSION="v0.4.22"

ARCH="$(uname -m)" 
case "$ARCH" in
  x86_64)
    ARCH="amd64"
  ;;
  i386 | i586 | i686 )
    ARCH="386"
  ;;  armv7l)
    ARCH="arm";
  ;;
  armv6l)
    ARCH="arm";
  ;;
  aarch64)
    ARCH="arm64";
  ;;
  *)
    echo "Unknown Arch"
    exit 1
  ;;
esac

# Hyperborea connected peer used to bootstrap Hyperborea only ipfs nodes
# DarkDrgn2k's peer
IPFS_PEER_1="/ip6/fc6e:691e:dfaa:b992:a10a:7b49:5a1a:5e09/tcp/4001/ipfs/QmU6NeD2Uu34WKest1NZGvGmScLhN1zVo66K35GeE6Jft2"
# HeavyMetal's peer
IPFS_PEER_2="/ip6/fc6d:3961:6744:7d94:31ba:2bf3:30bf:ebab/tcp/4001/ipfs/QmRGk8DdMWy5P5xgUisnv7u4hV4WfgEhbxa6iGpviYGC7q"
# Yggdrasil connected peer used to bootstrap hyperborea only ipfs nodes
IPFS_PEER_3="/ip6/301:4541:2f84:1188:216:3eff:fed5:a2df/tcp/4001/ipfs/QmWZpTdfETtpjJphVE1YbxMkUcL84idkg44Cq1XWSBNm7P"
# DarkDrgn2k's peer
IPFS_PEER_4="/ip6/200:98bf:d6df:e49a:f525:40bf:18d:ac45/tcp/4001/ipfs/QmU6NeD2Uu34WKest1NZGvGmScLhN1zVo66K35GeE6Jft2"
# HeavyMetal's peer
IPFS_PEER_5="/ip6/201:3d73:dbf:da97:e008:2d29:3919:cdb1/tcp/4001/ipfs/QmRGk8DdMWy5P5xgUisnv7u4hV4WfgEhbxa6iGpviYGC7q"
# Yk3Music's Irvine-CA peer
IPFS_PEER_6="/ip6/fcbb:1db3:54fb:e519:d915:d7db:4893:4f30/tcp/4001/ipfs/QmZEiPvrfZHapq4uiyTDEcR2szCUhDnjdS4q3Uv2b1Uh88"

BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Download and install IPFS
mkdir "$BASE_DIR/tmp"
wget "https://dist.ipfs.io/go-ipfs/${GO_IPFS_VERSION}/go-ipfs_${GO_IPFS_VERSION}_linux-${ARCH}.tar.gz" -O "$BASE_DIR/tmp/go-ipfs.tar.gz"
tar xvfz "$BASE_DIR/tmp/go-ipfs.tar.gz" -C "$BASE_DIR/tmp"
sudo cp "$BASE_DIR/tmp/go-ipfs/ipfs" /usr/local/bin/ipfs
sudo chown root:staff /usr/local/bin/ipfs
rm -rf "$BASE_DIR/tmp"

# Initialize IPFS if not already
if [ ! -d "$HOME/.ipfs" ]; then  
  ipfs init || true
fi

# Enable gossipsub routing
ipfs config Pubsub.Router gossipsub

# Enable Filestore for --nocopy capability
ipfs config --bool Experimental.FilestoreEnabled true

# Setup connection management - Reduce connections to stress the Pi less
# XXX: These values need to be tweaked and tested
ipfs config Swarm.ConnMgr.Type basic
ipfs config --json Swarm.ConnMgr.LowWater 100
ipfs config --json Swarm.ConnMgr.HighWater 200
ipfs config Swarm.ConnMgr.GracePeriod 60s

# Enable QUIC for better connections when possible
ipfs config --bool Experimental.QUIC true

# Configure HTTP reverse proxy to IPFS gateway
sudo cp "$BASE_DIR/ipfs-http-gateway.conf" /etc/nginx/site-path-enabled/ipfs-http-gateway.conf
sudo systemctl restart nginx.service

# shellcheck source=../shared/nodeinfo/install
source "$BASE_DIR/../shared/nodeinfo/install"
sudo cp "$BASE_DIR/nodeinfo-ipfs" /opt/tomesh/nodeinfo.d/ipfs

# Add bootstrap addresses
ipfs bootstrap add "$IPFS_PEER_1"
ipfs bootstrap add "$IPFS_PEER_2"
ipfs bootstrap add "$IPFS_PEER_3"
ipfs bootstrap add "$IPFS_PEER_4"
ipfs bootstrap add "$IPFS_PEER_5"
ipfs bootstrap add "$IPFS_PEER_6"

# Download dependencies
sudo apt-get install -y jq

# Copy file
sudo cp "$BASE_DIR/ipfs-swarm.sh" /usr/local/bin/
sudo chmod +x /usr/local/bin/ipfs-swarm.sh

# Configure systemd to start ipfs.service on system boot
sudo cp "$BASE_DIR/ipfs.service" /etc/systemd/system/ipfs.service
sudo sed -i "s|__USER_HOME__|${HOME}|" /etc/systemd/system/ipfs.service
sudo systemctl daemon-reload
sudo systemctl enable ipfs.service
sudo systemctl start ipfs.service

# Add entry into nginx home screen
APP="<div class='app'><h2>IPFS</h2>A peer-to-peer hypermedia protocol to make the web faster, safer, and more open. <br/><a href='/ipfs/QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG/readme'>Go</a></div>"
sudo sed -i "s#<\!--APPLIST-->#$APP\n<\!--APPLIST-->#" "/var/www/html/index.html"