#!/bin/bash
set -e
# ----------------------------------------------------------------------------------------------
# ------------------------ Stop all running Rsync processes for Unraid -------------------------
# ----------------------------------------------------------------------------------------------

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

source "$SCRIPT_DIR/../Master.conf"
source "$SCRIPT_DIR/../common.sh"

parse_args "$@"

# STATUS MODE
if [[ "$SHOW_STATUS" == true ]]; then
    echo
    echo "=================================================="
    echo " ℹ️ RSYNC STOP STATUS"
    echo "--------------------------------------------------"
    echo " 🔄 Target:     rsync processes"
    echo " 🧪 Dry Run:    $DRY_RUN"
    echo "=================================================="
    exit 0
fi

# HEADER
echo
echo "============================================================"
echo " 🚀 RSYNC STOP STARTING"
echo "------------------------------------------------------------"
echo " 🔄 Target:     all rsync processes"
echo " 🧪 Dry Run:    $DRY_RUN"
echo "============================================================"

log "ℹ️ Checking for running rsync processes"

# FUNCTIONS
check_rsync_running() {
    pgrep -f rsync >/dev/null 2>&1
}

stop_rsync_processes() {

    if [[ "$DRY_RUN" == true ]]; then
        warn "🧪 Would stop all rsync processes"
        return
    fi

    if check_rsync_running; then
        info "🟡 Stopping rsync processes"

        # safer than blind pkill message-only:
        pkill -f rsync

        sleep 1

        if check_rsync_running; then
            warn "🟡 Some rsync processes may still be running"
        else
            info "🟢 All rsync processes stopped successfully"
        fi
    else
        info "🟢 No rsync processes currently running"
    fi
}

# EXECUTION
START_TIME=$(date +%s)

stop_rsync_processes

END_TIME=$(date +%s)
DURATION=$((END_TIME - START_TIME))

# SUMMARY
echo
echo "============================================================"

if check_rsync_running; then
    echo " 🟡 RSYNC STOP SUMMARY"
    echo "------------------------------------------------------------"
    echo " 🔄 Status:     🟡 SOME PROCESSES MAY REMAIN"
    echo " ⏱ Duration:   ${DURATION}s"
else
    echo " 🟢 RSYNC STOP SUMMARY"
    echo "------------------------------------------------------------"
    echo " 🔄 Status:     🟢 ALL STOPPED"
    echo " ⏱ Duration:   ${DURATION}s"
fi

echo "============================================================"

info "ℹ️ Rsync stop operation complete"