#!/bin/bash

if [ true != ${includes_included:-false} ]
then
    includes_included=true

    function echoMainTitle {
        echo -e "\033[1;34m$1\033[0m"
    }

    function echoSubTitle {
        echo -e "\033[0;32m$1\033[0m"
    }

    function echoSelect {
      local select="$1"
      local message="$2"
      echo -e "\033[0;33m$select\033[0m $message"
    }

    function echoError {
      echo -e "\033[0;91m$1\033[0m"
    }

    function getArgument {
        local var=$1
        local errmsg=$2
        local allow=${3:-false}

        if [ "$allow" != false ] && [ "$(isAllowed "$var" "$allow")" == false ]
        then
          echo "$errmsg" >&2
          exit 1
        fi

        echo "$var"
    }

    function isAllowed {
      local var="$1"
      local allow="$2"
      local valid=true

      if [ "$allow" == true ] && [ "$var" == "" ]
        then
            valid=false
        elif [ "$allow" != false ] && [ "$allow" != true ]
        then
            allow=($allow)
            local found=false
            for i in "${!allow[@]}"
            do
                if [ "${allow[$i]}" == "$var" ]
                then
                    found=true
                fi
            done
            if [ "$found" != true ]
            then
                valid=false
            fi
        fi

        echo $valid
    }

    function readConsole {
      local message="$1"
      local errmsg="$2"
      local allow=${3:-false}
      local default=${4:-""}

      if [ "$default" != "" ]
      then
        message="$message [d:$default]"
      fi

      read -p "$message" var
      var=${var:-$default}

      if [ "$(isAllowed "$var" "$allow")" == false ]
      then
        echo "$errmsg" >&2
        var=$(readConsole "$message" "$errmsg" "$allow")
      fi

      echo "$var"
    }

    function addSSHKey {
        local env=$(getArgument "$1" "Usage: addSSHKey [live|stage|git]" "live stage git")
        local ssh_key_file=$(eval "echo \"\$${env}_has_ssh_key_file\"")

        if [ "$ssh_key_file" != "" ]
        then
          copySSHKeys "$env"
        else
          installSSHKey "$env"
        fi
        ssh-add "$app_dir/.ssh/$env"
    }

    function copySSHKeys {
      local env=$(getArgument "$1" "Usage: copySSHKeys [live|stage|git]" "live stage git")
      local source=$(eval "echo \$${env}_ssh_key_file")
      local target="$app_dir/.ssh/$env"

      if [ -f "$source" ] && [ ! -f "$target" ]
      then
        cp "$source" "$target"
        chmod 0600 "$target"
      else
        echoError "Could not copy ssh key file" >&2
        exit 1
      fi
      if [ -f "$source.pub" ] && [ ! -f "$target.pub" ]
      then
        cp "$source.pub" "$target.pub"
        chmod 0600 "$target.pub"
      else
        echoError "Could not copy ssh key file" >&2
        exit 1
      fi
    }

    function installSSHKey {
        local env=$(getArgument "$1" "Usage: installSSHKey [live|stage|git]" "live stage git")
        local file=$(eval "echo \"\$${env}_ssh_key_file\"")
        local user=$(eval "echo \"\$${env}_ssh_user\"")
        local domain=$(eval "echo \"\$${env}_ssh_domain\"")

        if [ "$file" == "" ] && [ ! -f "$app_dir/.ssh/$env" ]
        then
            ssh-keygen -b 4096 -t rsa -f "$app_dir/.ssh/$env" -q -N ""
            chmod 0600 "$app_dir/.ssh/$env"
            chmod 0600 "$app_dir/.ssh/$env.pub"

            echo "Please enter SSH $env system password:"
            ssh-copy-id -i "$app_dir/.ssh/$env.pub" "$user"@"$domain"
        fi
    }

    function buildIgnoredTablesArguments {
        local env=$(getArgument "$1" "Usage: buildIgnoredTables [live|stage|local] [ignoredTablesArray]" "live stage local")
        local ignoredTables=$(getArgument "$2" "Usage: buildIgnoredTables [live|stage|local] [ignoredTablesArray]" true)

        local database_name=$(eval "echo \"\$${env}_database_name\"")

        ignoredTables=($ignoredTables)
        local ignoredTablesArguments=""
        for table in "${ignoredTables[@]}"
        do
            ignoredTablesArguments="$ignoredTablesArguments --ignore-table=\"${database_name}.${table}\""
        done

        echo "$ignoredTablesArguments"
    }

    function postScript {
        local script=$(getArgument "$1" "Usage: postScript \"post_script.sh\"" true)
        if [ -f "$script" ]
        then
            source "$script"
        fi
    }
fi