#!/bin/bash
# Zomboid World Reset Script
# Triggered by systemd path unit when discord bot requests reset

set -e

LOGFILE="{{ podman_home }}/.local/share/volumes/zomboid/logs/world-reset.log"
TRIGGER_FILE="{{ podman_home }}/.local/share/volumes/gregtime/data/zomboid-reset.trigger"
SERVER_NAME="{{ zomboid_server_names[zomboid_server_mode] }}"
SAVES_PATH="{{ podman_home }}/.local/share/volumes/zomboid/data/Saves/Multiplayer/${SERVER_NAME}"
DB_PATH="{{ podman_home }}/.local/share/volumes/zomboid/data/db/${SERVER_NAME}.db"

log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOGFILE"
}

# Ensure XDG_RUNTIME_DIR is set for systemctl --user
export XDG_RUNTIME_DIR="/run/user/$(id -u)"

log "World reset triggered"

# Read requester info from trigger file if available
# Note: Must use podman unshare because file is owned by container's UID (232071)
if podman unshare test -f "$TRIGGER_FILE"; then
    REQUESTER=$(podman unshare cat "$TRIGGER_FILE")
    log "Requested by: $REQUESTER"
    podman unshare rm -f "$TRIGGER_FILE"
fi

# Stop server
log "Stopping zomboid service..."
systemctl --user stop zomboid.service || true
sleep 5

# Delete world (using podman unshare to work within user namespace)
log "Deleting world saves at: $SAVES_PATH"
if [[ -d "$SAVES_PATH" ]]; then
    podman unshare rm -rf "$SAVES_PATH"
    log "World saves deleted"
else
    log "No world saves found at $SAVES_PATH"
fi

# Delete player database
log "Deleting player database at: $DB_PATH"
if [[ -f "$DB_PATH" ]]; then
    podman unshare rm -f "$DB_PATH"
    log "Player database deleted"
else
    log "No database found at $DB_PATH"
fi

# Start server
log "Starting zomboid service..."
systemctl --user start zomboid.service

log "World reset complete - new world will generate on first connection"