#!/bin/bash

# Prepare a deployment for execution:
# * generate the configuration
# * put keys in the right place
# * set bank password for the exchange
# * sign the exchange's wire response
# * run some sanity checks (FIXME: not done yet!)

set -eu

source $HOME/activate

if [[ -z ${TALER_ENV_NAME+x} ]]; then
  echo "TALER_ENV_NAME not set"
  exit 1
fi

if [[ -z ${TALER_CONFIG_CURRENCY+x} ]]; then
  echo "TALER_CONFIG_CURRENCY not set"
  exit 1
fi

function generate_config() {
  EXCHANGE_PUB=$(gnunet-ecc -p $HOME/deployment/private-keys/${TALER_ENV_NAME}-exchange-master.priv)

  mkdir -p $HOME/.config

  $HOME/deployment/bin/taler-config-generate \
    --exchange-pub "$EXCHANGE_PUB" \
    --currency "$TALER_CONFIG_CURRENCY" \
    --outdir $HOME/.config \
    --envname "$TALER_ENV_NAME"
}

##
## Step 1: Generate config
##

case $TALER_ENV_NAME in
  demo|test|int)
    generate_config
    ;;
  *)
    echo "Not generating config for env $TALER_ENV_NAME"
    ;;
esac

##
## Step 2: Copy key material and update denom keys
##

taler-auditor-exchange \
  -m $(taler-config -s exchange -o master_public_key) \
  -u $(taler-config -s exchange -o base_url) || true

rm -f auditor.in
taler-exchange-keyup -o auditor.in
taler-auditor-sign -r auditor.in -o auditor.out
rm -f auditor.in auditor.out # we don't actually use the auditor's signatures in the demo!

##
## Step 3: Sign the exchange's wire information
##

WIRE_RESPONSE=$(taler-config -s exchange-account-1 -o wire_response -f)

taler-exchange-wire
chmod 770 $WIRE_RESPONSE


##
## Step 4:
##

case $TALER_ENV_NAME in
  demo|test|int)
    taler-bank-manage django changepassword_unsafe Exchange x
    ;;
  *)
    echo "Not setting unsafe Exchange bank account password for env $TALER_ENV_NAME"
    ;;
esac