functions

#!/bin/bash

# Draw horizontal line
# https://www.reddit.com/r/bash/comments/13u9fnj/comment/jlzl9p6/
hr ()
{
    printf -- '%*s\n' "${1:-40}" | tr ' ' "${2:-─}"
}

# Prints a blue headline with a horizontal line
headline ()
{
    echo ''
    color blue "$1"
    hr 20
    echo ''
}

# Color function for prettier outputs
color () {
    RED='\033[0;31m'
    YELLOW='\033[1;33m'
    BLUE='\033[0;34m'
    GREEN='\033[0;32m'
    NC='\033[0m'

    case $1 in
    "yellow")
        COLOR=$YELLOW
        ;;

    "blue")
        COLOR=$BLUE
        ;;

    "red")
        COLOR=$RED
        ;;

    "green")
        COLOR=$GREEN
        ;;

    *)
        COLOR=$NC
        ;;
    esac

    echo -e "${COLOR}$2${NC}"
}

# Print error message and stop script execution
error () {
    color red "$1"
    exit
}

# Check if an error occured, throw given error if something went wrong
catch () {
    if [[ $? != 0 ]]; then
        error "🚨 $1"
    fi
}

# Validate software type
validate_software () {
    list="statamic typo3"
    [[ $list =~ (^|[[:space:]])$software($|[[:space:]]) ]] && return 0 || return 1
}

# Validates if the remote host is accessible
validate_remote_host () {
    ping -c 1 $remoteServerHost &>/dev/null
    catch "Could not connect to remote server host."
}

# Checks if a database container exists on the remote host
database_exists () {
    ssh -T $remoteServerUser@$remoteServerHost -p $remoteServerPort "docker container inspect main-database-1" &>/dev/null
}

# Checks if the database container runs mariadb
is_mariadb () {
    ssh -T $remoteServerUser@$remoteServerHost -p $remoteServerPort "cd $serverPath && docker compose exec database mariadb-dump --help" &>/dev/null
}