#!/usr/bin/env bash
# 列出所有 E2E 測試（從 _test.go 的 e2eStep(...) 呼叫撈）。
# 對齊 docs/e2e-testing.md 的「測試覆蓋矩陣」；新增 / 修改 e2eStep 後重跑即可。
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
TESTS_DIR="${ROOT}/test/e2e"

if ! command -v rg >/dev/null 2>&1; then
  echo "需要 ripgrep（brew install ripgrep）" >&2
  exit 1
fi

# Colors（非 TTY 時關掉）
if [[ -t 1 ]]; then
  BOLD=$'\033[1m'; DIM=$'\033[2m'; CYAN=$'\033[36m'; YELLOW=$'\033[33m'; RESET=$'\033[0m'
else
  BOLD=""; DIM=""; CYAN=""; YELLOW=""; RESET=""
fi

echo "${BOLD}Gateway E2E — 自動測試清單${RESET}"
echo "${DIM}（執行：make e2e-full / make e2e-journey / make test-e2e；單測：go test -tags=e2e -run TestXxx）${RESET}"

# ─────────────────────────────────────────────────────────────
# Section A: Contract tests（單 endpoint，由 e2eStep banner 撈）
# ─────────────────────────────────────────────────────────────
echo
echo "${BOLD}${CYAN}═══ Contract tests（make e2e-full）═══${RESET}"
echo "${DIM}單一 endpoint 驗 HTTP contract；可平行；每個 func 一個測試。${RESET}"

# 模組分組
contract_module() {
  case "$(basename "$1")" in
    health_test.go) echo "Health" ;;
    auth_test.go)   echo "Auth" ;;
    member_test.go) echo "Member" ;;
    permission_test.go) echo "Permission" ;;
    *) echo "Other" ;;
  esac
}

contract_count=0
current_module=""
while IFS= read -r line; do
  file="${line%%:*}"; rest="${line#*:}"
  lineno="${rest%%:*}"
  sig="${rest#*:}"
  fname="$(printf '%s' "$sig" | sed -E 's/^func (Test[A-Za-z0-9_]+).*/\1/')"

  # 只看 contract test 檔（不含 journey_*）
  case "$(basename "$file")" in
    journey_*.go|journey.go) continue ;;
  esac

  mod="$(contract_module "$file")"
  if [[ "$mod" != "$current_module" ]]; then
    echo
    echo "  ${BOLD}── $mod ──${RESET}"
    current_module="$mod"
  fi

  step=$(awk -v start="$lineno" 'NR>=start && NR<=start+5 && /e2eStep\(t,/ { print; exit }' "$file")
  if [[ -z "$step" ]]; then
    printf "    ${YELLOW}? %-40s${RESET} ${DIM}(no e2eStep banner)${RESET}\n" "$fname"
    continue
  fi
  id="$(printf '%s' "$step" | sed -nE 's/.*e2eStep\(t, "([^"]*)", *"([^"]*)", *"([^"]*)", *"([^"]*)"\).*/\1/p')"
  method="$(printf '%s' "$step" | sed -nE 's/.*e2eStep\(t, "([^"]*)", *"([^"]*)", *"([^"]*)", *"([^"]*)"\).*/\2/p')"
  path="$(printf '%s' "$step" | sed -nE 's/.*e2eStep\(t, "([^"]*)", *"([^"]*)", *"([^"]*)", *"([^"]*)"\).*/\3/p')"
  desc="$(printf '%s' "$step" | sed -nE 's/.*e2eStep\(t, "([^"]*)", *"([^"]*)", *"([^"]*)", *"([^"]*)"\).*/\4/p')"

  printf "    ${BOLD}[%-9s]${RESET} %-7s %-50s %s\n" "$id" "$method" "$path" "$desc"
  printf "      ${DIM}└─ %s${RESET}\n" "$fname"
  contract_count=$((contract_count+1))
done < <(rg -n --no-heading '^func Test[A-Za-z0-9_]+\(t \*testing\.T\)' "${TESTS_DIR}" -t go)

# ─────────────────────────────────────────────────────────────
# Section B: Journeys（k6 風格多步驟）
# ─────────────────────────────────────────────────────────────
echo
echo "${BOLD}${CYAN}═══ Journeys（make e2e-journey）═══${RESET}"
echo "${DIM}多步驟 user flow，共享狀態；任一步 fail 自動 skip 後續；用 NewJourney() + j.Step()。${RESET}"

journey_count=0
journey_step_total=0
while IFS= read -r line; do
  file="${line%%:*}"; rest="${line#*:}"
  lineno="${rest%%:*}"
  sig="${rest#*:}"
  fname="$(printf '%s' "$sig" | sed -E 's/^func (Test[A-Za-z0-9_]+).*/\1/')"

  case "$(basename "$file")" in
    journey_*.go) : ;;
    *) continue ;;
  esac

  # 抓 NewJourney(t, "J-1", "title")
  jline=$(awk -v start="$lineno" 'NR>=start && NR<=start+3 && /NewJourney\(t,/ { print; exit }' "$file")
  jid="$(printf '%s' "$jline" | sed -nE 's/.*NewJourney\(t, "([^"]*)", *"([^"]*)"\).*/\1/p')"
  jtitle="$(printf '%s' "$jline" | sed -nE 's/.*NewJourney\(t, "([^"]*)", *"([^"]*)"\).*/\2/p')"
  if [[ -z "$jid" ]]; then
    jid="?"; jtitle="(no NewJourney call)"
  fi
  steps="$(rg -n '\s+j\.(Step|SkipStep)\(' "$file" 2>/dev/null | wc -l | tr -d ' ')"
  echo
  printf "  ${BOLD}[%s] %s${RESET}  ${DIM}(%d steps · %s)${RESET}\n" "$jid" "$jtitle" "$steps" "$fname"

  # 列出每個 step 的 id + desc
  rg -oN 'j\.(Step|SkipStep)\("[^"]+",\s*"[^"]+"' "$file" 2>/dev/null \
    | sed -nE 's/.*j\.(Step|SkipStep)\("([^"]+)", *"([^"]+)".*/\1|\2|\3/p' \
    | awk -F'|' -v jid="$jid" -v reset="$RESET" -v yellow="$YELLOW" '
        {
          kind=$1; sid=$2; desc=$3
          marker = (kind == "SkipStep") ? "⊘" : "▶"
          color = (kind == "SkipStep") ? yellow : ""
          printf "    %s%s [%s.%s]%s %s\n", color, marker, jid, sid, reset, desc
        }
      '

  journey_count=$((journey_count+1))
  journey_step_total=$((journey_step_total+steps))
done < <(rg -n --no-heading '^func Test[A-Za-z0-9_]+\(t \*testing\.T\)' "${TESTS_DIR}" -t go)

# ─────────────────────────────────────────────────────────────
echo
echo "${DIM}合計：${contract_count} 個 contract tests · ${journey_count} 個 journeys (${journey_step_total} steps)${RESET}"