//go:build e2e

package e2e

import (
	"encoding/json"
	"net/http"
	"testing"

	"github.com/stretchr/testify/require"
)

// TestJourney_OwnerOnboarding 模擬 Tenant Owner 入職第一天會走的完整流程：
// 已 login（seed 提供 JWT）→ 看自己 → 更新 profile → 驗證業務 email → 驗證 phone
// → 綁定 TOTP → step-up 驗碼 → 解除 TOTP → logout。
//
// 是「狀態流」測試：每步都用上一步的結果（challenge_id / display_name / OTP code），
// 任一步 fail 後續自動 skip，便於一眼定位斷點。
func TestJourney_OwnerOnboarding(t *testing.T) {
	j := NewJourney(t, "J-1", "Tenant Owner 入職第一天（已登入後完整 onboarding）")
	defer j.Summary()

	c := NewClient(t)

	var (
		emailTarget    = "owner-journey@example.com"
		phoneTarget    = "+886900111222"
		emailChallenge string
		phoneChallenge string
		otpauthURL     string
		totpDigits     int
		totpPeriod     int
		totpCode       string
	)

	j.Step("1", "GET /me — 用 seed JWT 確認自己是 tenant_owner 且 status=active", func(t *testing.T) {
		env := c.DoExpectOK(t, http.MethodGet, "/api/v1/members/me", nil, true)
		var me struct {
			TenantID string `json:"tenant_id"`
			UID      string `json:"uid"`
			Status   string `json:"status"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &me))
		require.Equal(t, c.Fixture.UID, me.UID)
		require.Equal(t, "active", me.Status)
	})

	j.Step("2", "PATCH /me — 更新 display_name", func(t *testing.T) {
		env := c.DoExpectOK(t, http.MethodPatch, "/api/v1/members/me", map[string]string{
			"display_name": "Journey Owner",
		}, true)
		var me struct {
			DisplayName string `json:"display_name"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &me))
		require.Equal(t, "Journey Owner", me.DisplayName)
	})

	j.Step("3", "POST /me/verifications/email/start — 申請業務 email OTP", func(t *testing.T) {
		env := c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/verifications/email/start", map[string]string{
			"target": emailTarget,
		}, true)
		var start struct {
			ChallengeID string `json:"challenge_id"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &start))
		require.NotEmpty(t, start.ChallengeID)
		emailChallenge = start.ChallengeID
	})

	j.Step("4", "POST /me/verifications/email/confirm — 從 Redis 取碼後驗證", func(t *testing.T) {
		require.NotEmpty(t, emailChallenge, "missing email challenge from step 3")
		code := FetchE2EOTP(t, emailChallenge)
		c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/verifications/email/confirm", map[string]string{
			"challenge_id": emailChallenge,
			"code":         code,
		}, true)
	})

	j.Step("5", "GET /me — 確認 business_email_verified=true", func(t *testing.T) {
		env := c.DoExpectOK(t, http.MethodGet, "/api/v1/members/me", nil, true)
		var me struct {
			BusinessEmail         string `json:"business_email"`
			BusinessEmailVerified bool   `json:"business_email_verified"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &me))
		require.Equal(t, emailTarget, me.BusinessEmail)
		require.True(t, me.BusinessEmailVerified, "expected email_verified=true after confirm")
	})

	j.Step("6", "POST /me/verifications/phone/start — 申請業務 phone OTP", func(t *testing.T) {
		env := c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/verifications/phone/start", map[string]string{
			"target": phoneTarget,
		}, true)
		var start struct {
			ChallengeID string `json:"challenge_id"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &start))
		phoneChallenge = start.ChallengeID
	})

	j.Step("7", "POST /me/verifications/phone/confirm — 取碼後驗證", func(t *testing.T) {
		require.NotEmpty(t, phoneChallenge)
		code := FetchE2EOTP(t, phoneChallenge)
		c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/verifications/phone/confirm", map[string]string{
			"challenge_id": phoneChallenge,
			"code":         code,
		}, true)
	})

	j.Step("8", "POST /me/totp/enroll-start — 開始綁定 TOTP", func(t *testing.T) {
		env := c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/totp/enroll-start", nil, true)
		var start struct {
			OtpauthURL string `json:"otpauth_url"`
			Digits     int    `json:"digits"`
			PeriodSec  int    `json:"period_seconds"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &start))
		require.NotEmpty(t, start.OtpauthURL)
		otpauthURL = start.OtpauthURL
		totpDigits = start.Digits
		totpPeriod = start.PeriodSec
	})

	j.Step("9", "POST /me/totp/enroll-confirm — 用 otpauth_url 算當下 TOTP code 確認綁定", func(t *testing.T) {
		require.NotEmpty(t, otpauthURL)
		totpCode = codeFromOtpauthURL(t, otpauthURL, totpDigits, totpPeriod)
		env := c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/totp/enroll-confirm", map[string]string{
			"code": totpCode,
		}, true)
		var confirmed struct {
			BackupCodes []string `json:"backup_codes"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &confirmed))
		require.NotEmpty(t, confirmed.BackupCodes, "enroll-confirm should return backup codes exactly once")
	})

	j.Step("10", "POST /me/totp/verify — step-up 驗碼成功", func(t *testing.T) {
		require.NotEmpty(t, totpCode)
		c.DoExpectOK(t, http.MethodPost, "/api/v1/members/me/totp/verify", map[string]string{
			"code": totpCode,
		}, true)
	})

	j.Step("11", "POST /me/totp/verify (replay) — 同 code 再打應該 403（重放保護）", func(t *testing.T) {
		require.NotEmpty(t, totpCode)
		env := c.DoExpectHTTP(t, http.MethodPost, "/api/v1/members/me/totp/verify", map[string]string{
			"code": totpCode,
		}, true, http.StatusForbidden)
		require.NotEqual(t, int64(successCode), env.Code)
	})

	j.Step("12", "DELETE /me/totp — 解除綁定", func(t *testing.T) {
		c.DoExpectOK(t, http.MethodDelete, "/api/v1/members/me/totp", nil, true)
		env := c.DoExpectOK(t, http.MethodGet, "/api/v1/members/me/totp", nil, true)
		var st struct {
			Enrolled bool `json:"enrolled"`
		}
		require.NoError(t, json.Unmarshal(env.Data, &st))
		require.False(t, st.Enrolled)
	})
}