#!/usr/bin/env bash
# 一鍵 E2E：全新 Docker → index → seed → 起 Gateway → 跑測試 → 關閉並清 volume
#
# 環境變數：
#   E2E_KEEP_DOCKER=1   跑完不 docker compose down -v（方便查 Mongo/Redis）
#   E2E_WITH_SMTP=1     額外起 MailHog（http://localhost:8025）方便肉眼看寄信
#   E2E_CONFIG=...      預設 test/e2e/fixtures/e2e.yaml
#   E2E_TEST_PATTERN    第一輪 go test -run pattern
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
# shellcheck source=scripts/e2e-lib.sh
source "${ROOT}/scripts/e2e-lib.sh"
cd "$ROOT"

E2E_CONFIG="${E2E_CONFIG:-test/e2e/fixtures/e2e.yaml}"
E2E_STATE="${E2E_STATE:-${ROOT}/test/e2e/fixtures/state.json}"
E2E_MODE="${E2E_MODE:-contract}"        # contract / journey
E2E_TEST_PATTERN="${E2E_TEST_PATTERN:-Test(Auth_|Health|Member|Permission)}"
E2E_TEST_PATTERN_ZZZ="${E2E_TEST_PATTERN_ZZZ:-TestZZZ_AuthTokenRefreshAndLogout}"
GATEWAY_PORT="${GATEWAY_PORT:-18888}"
PID_FILE="${PID_FILE:-${ROOT}/test/e2e/fixtures/gateway.pid}"
E2E_WITH_SMTP="${E2E_WITH_SMTP:-}"

cleanup() {
  e2e_stop_gateway "${GATEWAY_PORT}" "${PID_FILE}"
  if [[ "${E2E_KEEP_DOCKER:-}" != "1" ]]; then
    e2e_info "docker compose down -v（如要保留資料：E2E_KEEP_DOCKER=1）"
    docker compose down -v >/dev/null 2>&1 || docker compose --profile smtp down -v >/dev/null 2>&1 || true
  else
    e2e_warn "E2E_KEEP_DOCKER=1：容器繼續運行"
  fi
}
trap cleanup EXIT

TOTAL_STEPS=6

e2e_step "1/${TOTAL_STEPS}" "fresh docker compose（mongo + redis$( [[ "$E2E_WITH_SMTP" == "1" ]] && echo " + mailhog" )）"
docker compose down -v >/dev/null 2>&1 || true
if [[ "$E2E_WITH_SMTP" == "1" ]]; then
  docker compose --profile smtp up -d mongo redis mailhog
else
  docker compose up -d mongo redis
fi

e2e_step "2/${TOTAL_STEPS}" "wait for healthcheck"
for i in $(seq 1 60); do
  if docker compose ps mongo 2>/dev/null | grep -q "(healthy)" && docker compose ps redis 2>/dev/null | grep -q "(healthy)"; then
    e2e_ok "mongo / redis healthy（${i}s）"
    break
  fi
  sleep 1
  if [[ "$i" -eq 60 ]]; then
    echo "timeout waiting for docker health" >&2
    docker compose ps >&2
    exit 1
  fi
done

e2e_step "3/${TOTAL_STEPS}" "建立 Mongo 索引（cmd/mongo-index）"
go run ./cmd/mongo-index -f "${E2E_CONFIG}"
e2e_ok "indexes ready"

e2e_step "4/${TOTAL_STEPS}" "seed tenant + member + permission + JWT（cmd/e2e-seed）"
rm -f "${E2E_STATE}"
seed_args=(-f "${E2E_CONFIG}" -out "${E2E_STATE}")
if [[ -n "${E2E_ROLE:-}" ]]; then
  seed_args+=(-role "${E2E_ROLE}")
fi
go run ./cmd/e2e-seed "${seed_args[@]}"
e2e_ok "state.json written → ${E2E_STATE}"

e2e_step "5/${TOTAL_STEPS}" "啟動 Gateway（:${GATEWAY_PORT}）"
e2e_start_gateway "${ROOT}" "${E2E_CONFIG}" "${GATEWAY_PORT}" "${PID_FILE}" >/dev/null
e2e_wait_gateway "${GATEWAY_PORT}"
e2e_ok "gateway up"

e2e_print_services "$E2E_WITH_SMTP"

case "${E2E_MODE}" in
  journey)
    step6_title="跑 E2E user journeys（每步驟印 ▶ [J-x.y] 中文情境，斷一步停整 journey）" ;;
  *)
    step6_title="跑 E2E contract tests（每個測試印 ▶ [ID] METHOD path — 中文情境）" ;;
esac

e2e_step "6/${TOTAL_STEPS}" "${step6_title}"
e2e_info "第一輪：pattern=${E2E_TEST_PATTERN}"
GATEWAY_E2E=1 E2E_STATE_FILE="${E2E_STATE}" E2E_BASE_URL="http://127.0.0.1:${GATEWAY_PORT}" \
  go test -tags=e2e -v -count=1 ./test/e2e/... -run "${E2E_TEST_PATTERN}"

e2e_info "第二輪：pattern=${E2E_TEST_PATTERN_ZZZ}（會撤銷 JWT，故最後跑）"
GATEWAY_E2E=1 E2E_STATE_FILE="${E2E_STATE}" E2E_BASE_URL="http://127.0.0.1:${GATEWAY_PORT}" \
  go test -tags=e2e -v -count=1 ./test/e2e/... -run "${E2E_TEST_PATTERN_ZZZ}"

echo
e2e_ok "E2E OK"