#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=00_env.sh
. "$SCRIPT_DIR/00_env.sh"

SEARCH_PATH="/"
TOP_N=20
DEPTH=2
EXECUTE=false

usage() {
  printf 'Usage: %s [--path <path>] [--top <N>] [--depth <N>] [--execute]\n' "$(basename "$0")"
}

while [[ "$#" -gt 0 ]]; do
  case "$1" in
    --path) SEARCH_PATH="${2:-}"; shift 2 ;;
    --top) TOP_N="${2:-}"; shift 2 ;;
    --depth) DEPTH="${2:-}"; shift 2 ;;
    --execute) EXECUTE=true; DRY_RUN=false; shift ;;
    -h|--help) usage; exit 0 ;;
    *) critical "Unknown argument: $1"; usage; exit 2 ;;
  esac
done

section "Disk Full Incident Workflow"
cat <<FLOW | tee -a "$LOG_FILE"
Step 1. Disk overview
  $SCRIPT_DIR/01_disk_overview.sh

Step 2. Find largest files
  $SCRIPT_DIR/02_find_big_files.sh --path "$SEARCH_PATH" --top "$TOP_N"

Step 3. Check deleted but open files
  $SCRIPT_DIR/03_deleted_open_files.sh

Step 4. Identify top directories
  $SCRIPT_DIR/04_top_dirs.sh --path "$SEARCH_PATH" --depth "$DEPTH"

Step 5. Review safe log cleanup suggestions
  $SCRIPT_DIR/05_log_cleanup.sh

Step 6. Optional emergency quick fix, only after approval
  $SCRIPT_DIR/06_quick_fix.sh --truncate-file /path/to/verified.log --execute
  $SCRIPT_DIR/06_quick_fix.sh --restart-service service-name --execute

Step 7. Post-check
  $SCRIPT_DIR/07_postcheck.sh
FLOW

if [[ "$EXECUTE" == "true" ]]; then
  warning "--execute was supplied to the runbook. Destructive actions are still not run automatically."
fi

section "Running Read-Only Incident Checks"
"$SCRIPT_DIR/01_disk_overview.sh" || warning "Disk overview reported critical usage"
"$SCRIPT_DIR/02_find_big_files.sh" --path "$SEARCH_PATH" --top "$TOP_N" || warning "Large-file scan reported an issue"
"$SCRIPT_DIR/03_deleted_open_files.sh" || warning "Deleted-open-file check reported an issue"
"$SCRIPT_DIR/04_top_dirs.sh" --path "$SEARCH_PATH" --depth "$DEPTH" || warning "Top-directory scan reported an issue"
"$SCRIPT_DIR/05_log_cleanup.sh" || warning "Log cleanup suggestion step reported an issue"

section "Next Manual Decision"
ok "Review findings, identify owner and retention requirements, then run a targeted cleanup script with --execute only if approved."