package httpapi

import (
	"data-terminal-cloud/internal/onboarding"
	"net/http"
	"strings"
)

func onboardingCustomerAuth(service *onboarding.Service, bearer, next http.Handler) http.Handler {
	if service == nil {
		return bearer
	}
	cookie := service.CustomerAuth(next)
	operator := service.OperatorAuth(next)
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if strings.HasPrefix(r.Header.Get("Authorization"), "Mini ") {
			if operatorCookieRequest(r) {
				operator.ServeHTTP(w, r)
				return
			}
			if customerCookieRequest(r) {
				cookie.ServeHTTP(w, r)
				return
			}
		}
		if r.Header.Get("Authorization") == "" && operatorCookieRequest(r) {
			operator.ServeHTTP(w, r)
			return
		}
		allowed := customerCookieRequest(r)
		if r.Header.Get("Authorization") == "" && allowed {
			cookie.ServeHTTP(w, r)
			return
		}
		bearer.ServeHTTP(w, r)
	})
}

func operatorCookieRequest(r *http.Request) bool {
	path := r.URL.Path
	if path == "/api/v1/ops" || strings.HasPrefix(path, "/api/v1/ops/") {
		return true
	}
	if path == "/api/v1/content-models" || strings.HasPrefix(path, "/api/v1/content-models/") {
		return r.Method != http.MethodGet || r.Header.Get("X-Login-Portal") == "operator"
	}
	return (path == "/api/v1/me" || path == "/api/v1/events") && r.Header.Get("X-Login-Portal") == "operator"
}

func customerCookieRequest(r *http.Request) bool {
	// The portal reads the active model after loading a household. Model writes
	// remain under the original operator authentication and authorization.
	return customerCookiePath(r.URL.Path) || (r.Method == http.MethodGet && r.URL.Path == "/api/v1/content-models")
}

func customerCookiePath(path string) bool {
	// Explicit customer resources only. Operations, provider and device protocol
	// endpoints still require their original authentication.
	for _, resource := range []string{"me", "households", "subjects", "devices", "device-claims", "member-invitations", "events", "conversations", "stories", "memoirs", "memories", "privacy-requests", "exports", "sharing-grants", "recording-access-grants", "media-segments", "firmware-releases", "firmware-rollouts"} {
		root := "/api/v1/" + resource
		if path == root || strings.HasPrefix(path, root+"/") {
			return true
		}
	}
	return false
}