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

# === Settings ===
BASE_URL="${BASE_URL:-http://localhost:8080}"
AUTH="$BASE_URL/auth"
PROFILES="$BASE_URL/profiles"

# Можно переопределить через окружение:
EMAIL="${EMAIL:-user+$(date +%s)@example.com}"
PASS="${PASS:-secret123}"
FULL_NAME="${FULL_NAME:-Demo User}"
ROLE="${ROLE:-CLIENT}"

# Куда писать лог (по умолчанию в logs/)
mkdir -p logs
TS="$(date +%Y%m%d_%H%M%S)"
LOG_FILE="${LOG_FILE:-logs/user_flow_${TS}.log}"

# Вспомогательные утилиты
have_jq=0; command -v jq >/dev/null 2>&1 && have_jq=1

log() { echo "[$(date +'%F %T')] $*" | tee -a "$LOG_FILE" >&2; }
hr()  { printf -- '-----\n' | tee -a "$LOG_FILE" >/dev/null; }

# Выполнить HTTP и вернуть: <http_code>|<body_file>
http_req() {
  local METHOD="$1"; shift
  local URL="$1"; shift
  local TOKEN="${1:-}"; shift || true
  local BODY="${1:-}";  shift || true

  local RESP_FILE; RESP_FILE="$(mktemp)"
  local args=(-sS --connect-timeout 10 --max-time 30 -X "$METHOD" "$URL" -o "$RESP_FILE" -w "%{http_code}")
  [[ -n "$TOKEN" ]] && args+=(-H "Authorization: Bearer $TOKEN")
  [[ -n "$BODY"  ]] && args+=(-H "Content-Type: application/json" -d "$BODY")

  local CODE; CODE="$(curl "${args[@]}" || true)"
  echo "${CODE}|${RESP_FILE}"
}

# Красиво положить ответ в лог
log_response() {
  local title="$1"; shift
  local code="$1"; shift
  local body_file="$1"; shift

  hr
  log "$title"
  log "URL: ${CURRENT_URL}"
  log "HTTP: ${code}"
  if [[ $have_jq -eq 1 ]]; then
    log "Body:"
    jq . "$body_file" 2>/dev/null | tee -a "$LOG_FILE" >/dev/null || cat "$body_file" | tee -a "$LOG_FILE" >/dev/null
  else
    log "Body (raw):"
    cat "$body_file" | tee -a "$LOG_FILE" >/dev/null
  fi
}

# Достаём поле из JSON (без jq)
json_get() {
  local file="$1"; shift
  local path="$1"; shift
  python3 - "$file" "$path" <<'PY'
import sys, json
fn, path = sys.argv[1], sys.argv[2]
try:
    data = json.load(open(fn, 'rb'))
except Exception:
    print('')
    sys.exit(0)
cur = data
for k in path.split('.'):
    if isinstance(cur, list):
        try:
            k = int(k)
        except Exception:
            print(''); sys.exit(0)
        if 0 <= k < len(cur):
            cur = cur[k]
        else:
            print(''); sys.exit(0)
    elif isinstance(cur, dict):
        cur = cur.get(k)
    else:
        print(''); sys.exit(0)
    if cur is None:
        print(''); sys.exit(0)
if isinstance(cur, (dict, list)):
    print(json.dumps(cur))
else:
    print(cur)
PY
}

echo "== Log file: ${LOG_FILE} ==" >&2
hr
log "BASE_URL: ${BASE_URL}"
log "EMAIL: ${EMAIL}"
log "FULL_NAME: ${FULL_NAME}"
log "ROLE: ${ROLE}"

# 1) REGISTER
BODY_REG=$(printf '{"email":"%s","password":"%s","full_name":"%s","role":"%s"}' "$EMAIL" "$PASS" "$FULL_NAME" "$ROLE")
CURRENT_URL="$AUTH/v1/register"
resp="$(http_req POST "$CURRENT_URL" "" "$BODY_REG")"
code="${resp%%|*}"; body="${resp##*|}"
log_response "REGISTER" "$code" "$body"

if [[ "$code" != "201" && "$code" != "200" ]]; then
  # если уже существует — ок, продолжаем
  detail="$(json_get "$body" "detail" || true)"
  if [[ "$code" == "400" && "$detail" == "Email already in use" ]]; then
    log "Register: email already exists — continue to login"
  else
    log "Register non-success: ${code} — continue to login anyway"
  fi
fi

# 2) LOGIN (TOKEN)
BODY_LOGIN=$(printf '{"email":"%s","password":"%s"}' "$EMAIL" "$PASS")
CURRENT_URL="$AUTH/v1/token"
resp="$(http_req POST "$CURRENT_URL" "" "$BODY_LOGIN")"
code="${resp%%|*}"; body="${resp##*|}"
log_response "LOGIN / TOKEN" "$code" "$body"

if [[ "$code" != "200" ]]; then
  log "ERROR: login failed with $code"
  exit 1
fi

ACCESS_TOKEN="$(json_get "$body" "access_token")"
if [[ -z "$ACCESS_TOKEN" ]]; then
  log "ERROR: access_token not found in login response"
  exit 1
fi
log "Got access_token (hidden)"
hr

# 3) GET PROFILE (me)
CURRENT_URL="$PROFILES/v1/profiles/me"
resp="$(http_req GET "$CURRENT_URL" "$ACCESS_TOKEN")"
code="${resp%%|*}"; body="${resp##*|}"
log_response "GET /profiles/me" "$code" "$body"

if [[ "$code" == "404" ]]; then
  log "Profile not found — creating…"

  # 3a) CREATE PROFILE (минимальный)
  BODY_CREATE='{"gender":"other","city":"Moscow","languages":["ru","en"],"interests":["music","travel"]}'
  CURRENT_URL="$PROFILES/v1/profiles"
  resp="$(http_req POST "$CURRENT_URL" "$ACCESS_TOKEN" "$BODY_CREATE")"
  code="${resp%%|*}"; body="${resp##*|}"
  log_response "CREATE /profiles" "$code" "$body"
  if [[ "$code" != "201" && "$code" != "200" ]]; then
    log "ERROR: create profile failed with $code"
    exit 1
  fi

  # 3b) GET PROFILE AGAIN
  CURRENT_URL="$PROFILES/v1/profiles/me"
  resp="$(http_req GET "$CURRENT_URL" "$ACCESS_TOKEN")"
  code="${resp%%|*}"; body="${resp##*|}"
  log_response "GET /profiles/me (after create)" "$code" "$body"
  if [[ "$code" != "200" ]]; then
    log "ERROR: expected 200 after create, got $code"
    exit 1
  fi
elif [[ "$code" != "200" ]]; then
  log "ERROR: unexpected code for /profiles/me: $code"
  exit 1
fi

log "DONE. Log saved to: ${LOG_FILE}"