#!/usr/bin/env bash

set -euo pipefail

# ========================================
# Phase 2 Testing Script – Force Stop Recovery
# ========================================

# Source shared library
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/alarm-test-lib.sh"

# Phase 2 specific configuration
# Log tags / patterns (matched to actual ReactivationManager logs)
FORCE_STOP_SCENARIO_VALUE="FORCE_STOP"
COLD_START_SCENARIO_VALUE="COLD_START"
NONE_SCENARIO_VALUE="NONE"
BOOT_SCENARIO_VALUE="BOOT"

# Allow selecting specific tests on the command line (e.g. ./test-phase2.sh 2 3)
SELECTED_TESTS=()

# ------------------------------------------------------------------------------
# TEST 1 – Force Stop with Cleared Alarms
# ------------------------------------------------------------------------------

test1_force_stop_cleared_alarms() {
  section "TEST 1: Force Stop – Alarms Cleared"

  echo "Purpose: Verify force stop detection and alarm rescheduling when alarms are cleared."

  pause

  substep "Step 1: Launch app & check plugin status"
  launch_app

  ui_prompt "In the app UI, verify plugin status:\n\n  ⚙️ Plugin Settings: ✅ Configured\n  🔌 Native Fetcher: ✅ Configured\n\nIf either shows ❌ or 'Not configured', click 'Configure Plugin', wait until both are ✅, then press Enter."

  ui_prompt "Now schedule at least one future notification (e.g., click 'Test Notification' to schedule for a few minutes in the future)."

  substep "Step 2: Verify alarms are scheduled"
  show_alarms
  local before_count
  before_count="$(count_alarms)"
  info "Alarm count before force stop: $before_count"

  if [[ "$before_count" -eq 0 ]]; then
    warn "No alarms found before force stop; TEST 1 may not be meaningful."
  fi

  pause

  substep "Step 3: Force stop app (should clear alarms on many devices)"
  force_stop_app

  substep "Step 4: Check alarms after force stop"
  local after_count
  after_count="$(count_alarms)"
  info "Alarm count after force stop: $after_count"
  show_alarms

  if [[ "$after_count" -gt 0 ]]; then
    warn "Alarms still present after force stop. This device/OS may not clear alarms on force stop."
    warn "TEST 1 will continue but may not fully validate FORCE_STOP scenario."
  fi

  pause

  substep "Step 5: Launch app (triggers recovery) and capture logs"
  clear_logs
  launch_app
  sleep 5  # give recovery a moment to run

  info "Collecting recovery logs..."
  local logs
  logs="$(get_recovery_logs)"
  echo "$logs"

  local scenario rescheduled verified errors
  scenario="$(extract_scenario_from_logs "$logs")"
  rescheduled="$(extract_field_from_logs "$logs" "rescheduled")"
  verified="$(extract_field_from_logs "$logs" "verified")"
  errors="$(extract_field_from_logs "$logs" "errors")"

  echo
  info "Parsed recovery summary:"
  echo "  scenario   = ${scenario:-<none>}"
  echo "  rescheduled= ${rescheduled}"
  echo "  verified   = ${verified}"
  echo "  errors     = ${errors}"
  echo

  if [[ "$errors" -gt 0 ]]; then
    error "Recovery reported errors>0 (errors=$errors)"
  fi

  if [[ "$scenario" == "$FORCE_STOP_SCENARIO_VALUE" && "$rescheduled" -gt 0 ]]; then
    ok "TEST 1 PASSED: Force stop detected and alarms rescheduled (scenario=$scenario, rescheduled=$rescheduled)."
  elif [[ "$scenario" == "$FORCE_STOP_SCENARIO_VALUE" && "$rescheduled" -eq 0 ]]; then
    warn "TEST 1: scenario=FORCE_STOP but rescheduled=0. Check implementation or logs."
  elif [[ "$after_count" -gt 0 ]]; then
    info "TEST 1: Device/emulator kept alarms after force stop; FORCE_STOP scenario may not trigger here."
    if [[ "$rescheduled" -gt 0 ]]; then
      info "Recovery still worked (rescheduled=$rescheduled), but scenario was ${scenario:-COLD_START} instead of FORCE_STOP"
    fi
  else
    warn "TEST 1: Expected FORCE_STOP scenario not clearly detected. Review logs and scenario detection logic."
    info "Scenario detected: ${scenario:-<none>}, rescheduled=$rescheduled"
  fi

  substep "Step 6: Verify alarms are rescheduled in AlarmManager"
  show_alarms
}

# ------------------------------------------------------------------------------
# TEST 2 – Force Stop / Process Stop with Intact Alarms
# ------------------------------------------------------------------------------

test2_force_stop_intact_alarms() {
  section "TEST 2: Force Stop / Process Stop – Alarms Intact"

  echo "Purpose: Verify that heavy FORCE_STOP recovery does not run when alarms are still present."

  pause

  substep "Step 1: Launch app & schedule notifications"
  launch_app
  ui_prompt "In the app UI, ensure plugin is configured and schedule at least one future notification.\n\nPress Enter when done."

  substep "Step 2: Verify alarms are scheduled"
  show_alarms
  local before
  before="$(count_alarms)"
  info "Alarm count before stop: $before"

  if [[ "$before" -eq 0 ]]; then
    warn "No alarms found; TEST 2 may not be meaningful."
  fi

  pause

  substep "Step 3: Simulate a 'soft' stop or process kill that does NOT clear alarms"
  info "Killing app process (non-destructive - may not clear alarms)..."
  $ADB_BIN shell am kill "$APP_ID" || true
  sleep 2
  ok "Kill signal sent (soft stop)"

  substep "Step 4: Verify alarms are still scheduled"
  local after
  after="$(count_alarms)"
  info "Alarm count after soft stop: $after"
  show_alarms

  if [[ "$after" -eq 0 ]]; then
    warn "Alarms appear cleared after soft stop; this environment may not distinguish TEST 2 well."
  fi

  pause

  substep "Step 5: Relaunch app and check recovery logs"
  clear_logs
  launch_app
  sleep 5

  info "Collecting recovery logs..."
  local logs
  logs="$(get_recovery_logs)"
  echo "$logs"

  local scenario rescheduled missed verified errors
  scenario="$(extract_scenario_from_logs "$logs")"
  rescheduled="$(extract_field_from_logs "$logs" "rescheduled")"
  missed="$(extract_field_from_logs "$logs" "missed")"
  verified="$(extract_field_from_logs "$logs" "verified")"
  errors="$(extract_field_from_logs "$logs" "errors")"

  echo
  info "Parsed recovery summary:"
  echo "  scenario   = ${scenario:-<none>}"
  echo "  rescheduled= ${rescheduled}"
  echo "  missed     = ${missed}"
  echo "  verified   = ${verified}"
  echo "  errors     = ${errors}"
  echo

  if [[ "$errors" -gt 0 ]]; then
    error "Recovery reported errors>0 (errors=$errors)"
  fi

  if [[ "$after" -gt 0 && "$rescheduled" -eq 0 && "$scenario" != "$FORCE_STOP_SCENARIO_VALUE" ]]; then
    ok "TEST 2 PASSED: Alarms remained intact, and FORCE_STOP scenario did not run (scenario=$scenario, rescheduled=0)."
  else
    warn "TEST 2: Verify that FORCE_STOP recovery didn't misfire when alarms were intact."
    info "Scenario=${scenario:-<none>}, rescheduled=$rescheduled, after_count=$after"
  fi
}

# ------------------------------------------------------------------------------
# TEST 3 – First Launch / Empty DB Safeguard
# ------------------------------------------------------------------------------

test3_first_launch_no_schedules() {
  section "TEST 3: First Launch / No Schedules Safeguard"

  echo "Purpose: Ensure force-stop recovery is NOT triggered when DB is empty or plugin isn't configured."

  pause

  substep "Step 1: Uninstall app to clear DB/state"
  set +e
  $ADB_BIN uninstall "$APP_ID" >/dev/null 2>&1
  set -e
  ok "App uninstalled (state cleared)"

  substep "Step 2: Reinstall app"
  if $ADB_BIN install -r "$APK_PATH"; then
    ok "App installed"
  else
    error "Reinstall failed"
    exit 1
  fi

  info "Clearing logcat..."
  $ADB_BIN logcat -c
  ok "Logs cleared"

  pause

  substep "Step 3: Launch app for the first time"
  launch_app
  sleep 5

  substep "Step 4: Collect logs and ensure no force-stop recovery ran"
  local logs
  logs="$(get_recovery_logs)"
  echo "$logs"

  local scenario rescheduled
  scenario="$(extract_scenario_from_logs "$logs")"
  rescheduled="$(extract_field_from_logs "$logs" "rescheduled")"

  echo
  info "Parsed summary:"
  echo "  scenario   = ${scenario:-<none>}"
  echo "  rescheduled= ${rescheduled}"
  echo

  if [[ -z "$logs" ]]; then
    ok "TEST 3 PASSED: No force-stop recovery logs on first launch."
  elif [[ "$scenario" == "$NONE_SCENARIO_VALUE" && "$rescheduled" -eq 0 ]]; then
    ok "TEST 3 PASSED: NONE scenario logged with rescheduled=0 on first launch."
  elif [[ "$rescheduled" -gt 0 ]]; then
    warn "TEST 3: rescheduled>0 on first launch / empty DB. Check that force-stop recovery isn't misfiring."
  else
    info "TEST 3: Logs present but no rescheduling; review scenario handling to ensure it's explicit about NONE / FIRST_LAUNCH."
  fi
}

# ------------------------------------------------------------------------------
# Main
# ------------------------------------------------------------------------------

main() {
  # Allow selecting specific tests: e.g. `./test-phase2.sh 1 3`
  if [[ "$#" -gt 0 && ( "$1" == "-h" || "$1" == "--help" ) ]]; then
    echo "Usage: $0 [TEST_IDS...]"
    echo
    echo "If no TEST_IDS are given, all tests (1, 2, 3) will run."
    echo "Examples:"
    echo "  $0          # run all tests"
    echo "  $0 1        # run only TEST 1"
    echo "  $0 2 3      # run only TEST 2 and TEST 3"
    return 0
  fi

  SELECTED_TESTS=("$@")

  echo
  echo "========================================"
  echo "Phase 2 Testing Script – Force Stop Recovery"
  echo "========================================"
  echo
  echo "This script will guide you through Phase 2 tests."
  echo "You'll be prompted when UI interaction is needed."
  echo

  pause

  require_adb_device
  build_app
  install_app

  if should_run_test "1" SELECTED_TESTS; then
    test1_force_stop_cleared_alarms
    pause
  fi

  if should_run_test "2" SELECTED_TESTS; then
    test2_force_stop_intact_alarms
    pause
  fi

  if should_run_test "3" SELECTED_TESTS; then
    test3_first_launch_no_schedules
  fi

  section "Testing Complete"

  echo "Test Results Summary (see logs above for details):"
  echo
  echo "TEST 1: Force Stop – Alarms Cleared"
  echo "  - Check logs for scenario=$FORCE_STOP_SCENARIO_VALUE and rescheduled>0"
  echo
  echo "TEST 2: Force Stop / Process Stop – Alarms Intact"
  echo "  - Verify FORCE_STOP scenario is not incorrectly triggered when alarms are still present"
  echo
  echo "TEST 3: First Launch / No Schedules"
  echo "  - Confirm that no force-stop recovery runs, or that NONE/FIRST_LAUNCH scenario is logged with rescheduled=0"
  echo

  ok "Phase 2 testing script complete!"
  echo
  echo "Next steps:"
  echo "  - Review logs above"
  echo "  - Capture snippets into PHASE2-EMULATOR-TESTING.md"
  echo "  - Update PHASE2-VERIFICATION.md and unified directive status matrix"
  echo
}

main "$@"