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

# =============================================================================
# phase1_teardown.sh — Tear down Gitea on Unraid
# Destructive: stops container, optionally removes all data.
# Prompts for confirmation before each destructive action.
# Safe to run against an already-torn-down instance (no errors).
# =============================================================================

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "${SCRIPT_DIR}/lib/common.sh"

load_env
require_vars UNRAID_IP UNRAID_SSH_USER UNRAID_GITEA_DATA_PATH

DATA_PATH="$UNRAID_GITEA_DATA_PATH"

log_warn "=== Phase 1 Teardown: Gitea on Unraid ==="

# ---------------------------------------------------------------------------
# Step 1: Stop and remove the Gitea container
# ---------------------------------------------------------------------------
# Check if docker-compose file exists (skip if already torn down)
if ssh_exec UNRAID "test -f '${DATA_PATH}/docker-compose.yml'" 2>/dev/null; then
  printf 'This will stop Gitea on Unraid. Continue? [y/N] '
  read -r confirm
  if [[ "$confirm" =~ ^[Yy]$ ]]; then
    # Try modern "docker compose" first, fall back to standalone
    ssh_exec UNRAID "cd '${DATA_PATH}' && docker compose down 2>/dev/null || docker-compose down" || true
    log_success "Gitea container stopped and removed"
  else
    log_info "Skipped container shutdown"
  fi
else
  log_info "No docker-compose.yml found — container already removed"
fi

# ---------------------------------------------------------------------------
# Step 2: Optionally remove all Gitea data
# This is irreversible — removes repos, database, config, everything.
# ---------------------------------------------------------------------------
if ssh_exec UNRAID "test -d '${DATA_PATH}'" 2>/dev/null; then
  printf 'Remove ALL Gitea data at %s? This is IRREVERSIBLE. [y/N] ' "$DATA_PATH"
  read -r confirm
  if [[ "$confirm" =~ ^[Yy]$ ]]; then
    ssh_exec UNRAID "rm -rf '${DATA_PATH}'"
    log_success "All Gitea data removed from Unraid"
  else
    log_info "Data preserved at ${DATA_PATH}"
  fi
else
  log_info "Data directory already removed"
fi

# ---------------------------------------------------------------------------
# Step 3: Clear the auto-populated API token from .env
# The token is useless after teardown — clear it so phase1 generates a new one.
# ---------------------------------------------------------------------------
if [[ -n "${GITEA_ADMIN_TOKEN:-}" ]]; then
  save_env_var "GITEA_ADMIN_TOKEN" ""
  log_success "GITEA_ADMIN_TOKEN cleared from .env"
fi

log_success "Phase 1 teardown complete"