package onboarding

import "net/http"

func (s *Service) accountSessionHTTP(r *http.Request) (any, error) {
	if r.Header.Get("Sec-Fetch-Site") == "cross-site" || r.URL.RawQuery != "" {
		return nil, errAccess
	}
	cookie, err := r.Cookie(s.cookieName(true))
	if err != nil {
		return nil, fail(401, "LOGIN_REQUIRED", "请先登录")
	}
	p, err := s.AccountPrincipal(r.Context(), cookie.Value, "", false)
	if err != nil {
		return nil, err
	}
	token := s.sessionCSRF("ACCOUNT-CSRF1", cookie.Value)
	_, err = s.pool.Exec(r.Context(), `UPDATE `+s.accountSessionTable()+` SET csrf_hash=$2 WHERE token_hash=$1 AND revoked_at IS NULL AND expires_at>now()`, digest([]byte(cookie.Value)), digest([]byte(token)))
	if err != nil {
		return nil, err
	}
	if c, e := r.Cookie(s.cookieName(false)); !s.operatorLogin && e == nil && validB64(c.Value, 32) {
		_, err = s.pool.Exec(r.Context(), `UPDATE onboarding_web_session SET csrf_hash=$2 WHERE token_hash=$1 AND issuer=$3 AND subject=$4 AND revoked_at IS NULL AND expires_at>now()`, digest([]byte(c.Value)), digest([]byte(token)), p.Issuer, p.Subject)
		if err != nil {
			return nil, err
		}
	}
	return map[string]any{"csrf_token": token, "authenticated": true}, nil
}
func (s *Service) logoutHTTP(w http.ResponseWriter, r *http.Request) (any, error) {
	if !s.sameOrigin(r) {
		return nil, errAccess
	}
	raw, err := readBody(r)
	if err != nil {
		return nil, err
	}
	if err = StrictJSON(raw, &struct{}{}); err != nil {
		return nil, err
	}
	// Expired cookies can be cleared without treating them as a live login.
	for _, account := range s.logoutKinds() {
		c, e := r.Cookie(s.cookieName(account))
		if e != nil {
			continue
		}
		table := "onboarding_web_session"
		if account {
			table = s.accountSessionTable()
		}
		var live bool
		err = s.pool.QueryRow(r.Context(), `SELECT EXISTS(SELECT 1 FROM `+table+` WHERE token_hash=$1 AND revoked_at IS NULL AND expires_at>now())`, digest([]byte(c.Value))).Scan(&live)
		if err != nil {
			return nil, err
		}
		if live {
			var valid bool
			err = s.pool.QueryRow(r.Context(), `SELECT EXISTS(SELECT 1 FROM `+table+` WHERE token_hash=$1 AND csrf_hash=$2)`, digest([]byte(c.Value)), digest([]byte(r.Header.Get("X-CSRF-Token")))).Scan(&valid)
			if err != nil {
				return nil, err
			}
			if !valid {
				return nil, errAccess
			}
		}
	}
	for _, account := range s.logoutKinds() {
		c, e := r.Cookie(s.cookieName(account))
		if e != nil {
			continue
		}
		table := "onboarding_web_session"
		if account {
			table = s.accountSessionTable()
		}
		if _, err = s.pool.Exec(r.Context(), `UPDATE `+table+` SET revoked_at=COALESCE(revoked_at,now()) WHERE token_hash=$1`, digest([]byte(c.Value))); err != nil {
			return nil, err
		}
	}
	for _, account := range s.logoutKinds() {
		http.SetCookie(w, &http.Cookie{Name: s.cookieName(account), Value: "", Path: "/", HttpOnly: true, Secure: !s.options.AllowLocalHTTP, SameSite: http.SameSiteLaxMode, MaxAge: -1})
	}
	return map[string]any{"signed_out": true}, nil
}