#!/bin/sh

set -e
set -o noglob

INSTALL_DIR="$HOME/.share/stacktrace-minimal"
BIN_DIR=/usr/bin
SERVICE_NAME="stacktrace.service"


if ! command -v docker &>/dev/null; then
    echo -e "\nPas de docker pas encore Developeur.\n\n\t Veuillez l’installer pour continuer."
    exit 5
fi

verify_stacktrace_is_executable() {
    if [ ! -x ${INSTALL_DIR}/stacktrace ]; then
        echo "Executable stacktrace binary not found at ${BIN_DIR}/stacktrace"
        install_stacktrace_launcher
    fi
}

install_stacktrace_launcher() {
    echo "install stacktrace launcher"
    sudo cat <<'EOF' > ${BIN_DIR}/stacktrace
#!/bin/bash

# stacktrace: A script to inspect systemd services and collect stack traces

COMMAND=\$1

function usage() {
    echo "Usage: \$0 {up|status|logs|trace}"
    exit 1
}

function stacktrace_up() {
    echo "Listing active systemd services:"
    systemctl list-units --type=service --state=running
}

function stacktrace_status() {
    echo "Checking status of services with 'stack' in name:"
    systemctl list-units --type=service | grep stack
}

function stacktrace_logs() {
    echo "Fetching recent logs (journalctl):"
    journalctl -xe --no-pager | grep -i stack
}

case "\$COMMAND" in
    up)
        stacktrace_up
        ;;
    status)
        stacktrace_status
        ;;
    logs)
        stacktrace_logs
        ;;
    *)
        usage
        ;;
esac
EOF

sudo chmod +x ${BIN_DIR}/stacktrace

}

main() {
    verify_stacktrace_is_executable
}

scatch() {
    if [ -f ${BIN_DIR}/stacktrace ] ; then rm -f ${BIN_DIR}/stacktrace ; fi

}

main

scatch