#!/bin/bash

### DO NOT EDIT THIS FILE

source "$(dirname "${BASH_SOURCE[0]}")/../../includes/includes.sh"
app_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." &> /dev/null && pwd)
source "$app_dir/etc/config.sh"

usage="Usage: fetch_latest_db.sh [live|stage|local_live|local_stage] (1,0:fetchNewFlag) (1,0:withGdprFlag)"
env="$(getArgument "$1" "$usage" "live stage local_live local_stage")"
fetch_new="$(getArgument "$2" "$usage" "1 0")"
with_gdpr="$(getArgument "$3" "$usage" "1 0")"
is_remote="$(if [ "$env" == "live" ] || [ "$env" == "stage" ]; then echo 1; else echo 0; fi)"

currentDate=$(date '+%Y-%m-%d_%H:%M:%S')

echo
echoMainTitle "Backup $env system database"

database_name="$(getConfig "$env" "database_name")"

if [ "$is_remote" == "1" ]
then
    ssh_user="$(getConfig "$env" "ssh_user")"
    ssh_domain="$(getConfig "$env" "ssh_domain")"
    addSSHKey "$env"

    ignoredTablesArguments=("$(buildIgnoredTablesArguments "$env" "${gdpr_tables[*]}")")

    echo "Backup structure ..."

    has_fetched="$(if [ -f "$app_dir/var/latest/${env}_structure.sql.gz" ]; then echo 1; else echo 0; fi)"
    if [ "$fetch_new" == "1" ] || [ "$has_fetched" == "0" ]
    then
        scp "$app_dir/etc/$env.my.cnf" "$ssh_user"@"$ssh_domain":"~/$env.my.cnf"
        ssh "$ssh_user"@"$ssh_domain" "mysqldump --defaults-extra-file=~/$env.my.cnf --no-tablespaces --no-data \
          \"$database_name\" | LANG=C LC_CTYPE=C LC_ALL=C sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | \
          sed -e 's/,NO_AUTO_CREATE_USER//' | gzip -9 > ~/${env}_structure.sql.gz"
        scp "$ssh_user"@"$ssh_domain":"~/${env}_structure.sql.gz" "$app_dir/backup/database/$currentDate-${env}_structure.sql.gz"
        ssh "$ssh_user"@"$ssh_domain" "unlink ~/${env}_structure.sql.gz"
    fi

    echo "Backup data ..."

    has_fetched="$(if [ -f "$app_dir/var/latest/${env}_data.sql.gz" ]; then echo 1; else echo 0; fi)"
    if [ "$fetch_new" == "1" ] || [ "$has_fetched" == "0" ]
    then
        ssh "$ssh_user"@"$ssh_domain" "mysqldump --defaults-extra-file=~/${env}.my.cnf --no-tablespaces --no-create-info \
          --skip-triggers ${ignoredTablesArguments[*]} \"$database_name\" | LANG=C LC_CTYPE=C LC_ALL=C \
          sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | gzip -9 > ~/${env}_data.sql.gz"
        scp "$ssh_user"@"$ssh_domain":"~/${env}_data.sql.gz" "$app_dir/backup/database/$currentDate-${env}_data.sql.gz"
        ssh "$ssh_user"@"$ssh_domain" "unlink ~/${env}_data.sql.gz"
    fi

    if [ "$with_gdpr" == "1" ]
    then
      includedTables=("$(buildIncludedTables "${gdprTables[@]}")")

      echo "Backup GDPR ..."

      has_fetched="$(if [ -f "$app_dir/var/latest/${env}_gdpr_data.sql.gz" ]; then echo 1; else echo 0; fi)"
      if [ "$fetch_new" == "1" ] || [ "$has_fetched" == "0" ]
      then
          ssh "$ssh_user"@"$ssh_domain" "mysqldump --defaults-extra-file=~/${env}.my.cnf --no-tablespaces --no-create-info --skip-triggers \
            \"$database_name\" ${includedTables[*]} | LANG=C LC_CTYPE=C LC_ALL=C sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | gzip -9 > \
            ~/${env}_gdpr_data.sql.gz"
          scp "$ssh_user"@"$ssh_domain":"~/${env}_gdpr_data.sql.gz" "$app_dir/backup/database/$currentDate-${env}_gdpr_data.sql.gz"
          ssh "$ssh_user"@"$ssh_domain" "unlink ~/${env}_gdpr_data.sql.gz"
      fi
    fi

    ssh "$ssh_user"@"$ssh_domain" "unlink ~/${env}.my.cnf"
else

  echo "Backup structure ..."

  mysqldump --defaults-extra-file="$app_dir/etc/local.my.cnf" --no-tablespaces --hex-blob --no-data "$database_name" | \
    LANG=C LC_CTYPE=C LC_ALL=C sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | sed -e 's/,NO_AUTO_CREATE_USER//' | gzip -9 > \
    "$app_dir/backup/database/${currentDate}-${env}_structure.sql.gz"

  echo "Backup data ..."

  mysqldump --defaults-extra-file="$app_dir/etc/local.my.cnf" --no-tablespaces --no-create-info --skip-triggers --hex-blob \
    ${ignoredTablesArguments[*]} "$database_name" | \
    LANG=C LC_CTYPE=C LC_ALL=C sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | gzip -9 > \
    "$app_dir/backup/database/${currentDate}-${env}_data.sql.gz"

  if [ "$with_gdpr" == "1" ]
  then
    includedTables=("$(buildIncludedTables "${gdprTables[@]}")")

    echo "Backup gdpr ..."

    mysqldump --defaults-extra-file="$app_dir/etc/local.my.cnf" --no-tablespaces --no-create-info --skip-triggers --hex-blob \
      "$database_name" ${includedTables[*]} | \
      LANG=C LC_CTYPE=C LC_ALL=C sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | gzip -9 > \
      "$app_dir/backup/database/${currentDate}-${env}_gdpr_data.sql.gz"
  fi
fi

echoFinal "... database backed up"

echo "Running postscript ..."
postScript "$app_dir/bin/postscripts/functions/backup_db.sh"