#!/bin/bash

mkdir -p /tmp/electrum/ && cd /tmp/electrum/

sudo apt update && sudo apt install -y wget gpg python3-pyqt6 libsecp256k1-dev python3-cryptography python3-venv autoconf automake libtool

ELECTRUM_VERSION=${1:-'4.6.2'}
ELECTRUM_DOWNLOAD_LINK="https://download.electrum.org/$ELECTRUM_VERSION/Electrum-$ELECTRUM_VERSION.tar.gz"
ELECTRUM_SIGNATURE="https://download.electrum.org/$ELECTRUM_VERSION/Electrum-$ELECTRUM_VERSION.tar.gz.asc"
ELECTRUM_FILE="Electrum-$ELECTRUM_VERSION.tar.gz"
ELECTRUM_SIGNATURE_FILE="Electrum-$ELECTRUM_VERSION.tar.gz.asc"
VERIFY_OUTPUT_FILE="Verify_output.txt"

FINGERPRINT_THOMASV='6694 D8DE 7BE8 EE56 31BE  D950 2BD5 824B 7F94 70E6'
FINGERPRINT_SOMBERNIGHT='0EED CFD5 CAFB 4590 6734  9B23 CA9E EEC4 3DF9 11DC'
FINGERPRINT_EMZY='9EDA FF80 E080 6596 04F4  A76B 2EBB 056F D847 F8A7'


PUB_THOMASV='https://raw.githubusercontent.com/spesmilo/electrum/master/pubkeys/ThomasV.asc'
PUB_SOMBERNIGHT='https://raw.githubusercontent.com/spesmilo/electrum/master/pubkeys/sombernight_releasekey.asc'
PUB_EMZY='https://raw.githubusercontent.com/spesmilo/electrum/master/pubkeys/Emzy.asc'

for pubkey in "$PUB_THOMASV" "$PUB_SOMBERNIGHT" "$PUB_EMZY"; do
    wget "$pubkey"
done

for pubkey in *.asc; do
    gpg --import $pubkey
done

wget $ELECTRUM_DOWNLOAD_LINK
wget $ELECTRUM_SIGNATURE

ls 
echo "gpg --verify $ELECTRUM_SIGNATURE_FILE $ELECTRUM_SIGNATURE_FILE > $VERIFY_OUTPUT_FILE"
gpg --verify "$ELECTRUM_SIGNATURE_FILE" "$ELECTRUM_FILE" > "$VERIFY_OUTPUT_FILE" 2>&1


cat $VERIFY_OUTPUT_FILE | grep "Good signature"
sleep 5

for fingerprint in "$FINGERPRINT_EMZY" "$FINGERPRINT_SOMBERNIGHT" "$FINGERPRINT_THOMASV"; do 
    echo $fingerprint
    if grep -q "$fingerprint" "$VERIFY_OUTPUT_FILE"; then
        echo "Good FingerPrint is valid!"
    else
        echo "[Error] Fingerprint is not valid"
        exit 1
    fi
done

# Create the environment folder for Electrum
sudo python3 -m venv --system-site-packages /opt/electrum

# Install Electrum using pip
sudo /opt/electrum/bin/pip install --use-pep517 $ELECTRUM_FILE

# A symlink to the binary is needed for the app drawer launcher and to simplify CLI commands
sudo ln -s /opt/electrum/bin/electrum /usr/bin/electrum

# Create the app drawer launcher file, "electrum.desktop," and update it's link to the icon image location
sudo desktop-file-install /opt/electrum/share/applications/electrum.desktop
sudo sed -i -e 's+Icon=electrum+Icon=/opt/electrum/share/icons/hicolor/128x128/apps/electrum.png+' /usr/share/applications/electrum.desktop