package hetzner_test

import (
	"context"
	"encoding/json"
	"io"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"git.cloonar.com/cloonar/updns/internal/provider/hetzner"
)

func TestUpdateRecordFullAPILifecycle(t *testing.T) {
	domain := "test.example.com"
	ip := "1.2.3.4"
	zoneName := "example.com"
	zoneID := "zone-123"
	recID := "rec-456"

	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/zones":
			// Query zones by name
			resp := map[string]interface{}{
				"zones": []map[string]string{{"id": zoneID, "name": zoneName}},
			}
			json.NewEncoder(w).Encode(resp)
		case r.Method == http.MethodGet && r.URL.Path == "/records":
			// Query records by zone_id
			resp := map[string]interface{}{
				"records": []map[string]string{{"id": recID, "name": domain, "value": "0.0.0.0", "type": "A"}},
			}
			json.NewEncoder(w).Encode(resp)
		case r.Method == http.MethodPut && r.URL.Path == "/records/"+recID:
			// Validate update payload
			body, _ := io.ReadAll(r.Body)
			var payload map[string]string
			json.Unmarshal(body, &payload)
			if payload["value"] != ip {
				t.Errorf("expected update value %s, got %s", ip, payload["value"])
			}
			w.WriteHeader(http.StatusOK)
		default:
			http.Error(w, "not found", http.StatusNotFound)
		}
	}))
	defer ts.Close()

	provider := hetzner.NewProviderWithURL("token", ts.URL)
	if err := provider.UpdateRecord(context.Background(), domain, ip); err != nil {
		t.Fatalf("full API lifecycle failed: %v", err)
	}
}

func TestUpdateRecordZoneNotFound(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusOK)
		json.NewEncoder(w).Encode(map[string]interface{}{"zones": []map[string]string{}})
	}))
	defer ts.Close()

	provider := hetzner.NewProviderWithURL("token", ts.URL)
	err := provider.UpdateRecord(context.Background(), "nozone.example", "1.1.1.1")
	if err == nil || !strings.Contains(err.Error(), "zone example not found") {
		t.Fatalf("expected zone not found error, got %v", err)
	}
}

func TestUpdateRecordRecordNotFound(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/zones":
			json.NewEncoder(w).Encode(map[string]interface{}{
				"zones": []map[string]string{{"id": "z", "name": "example.com"}},
			})
		case "/records":
			json.NewEncoder(w).Encode(map[string]interface{}{"records": []map[string]string{}})
		default:
			http.Error(w, "not found", http.StatusNotFound)
		}
	}))
	defer ts.Close()

	provider := hetzner.NewProviderWithURL("token", ts.URL)
	err := provider.UpdateRecord(context.Background(), "missing.example.com", "1.1.1.1")
	if err == nil || !strings.Contains(err.Error(), "record missing.example.com not found") {
		t.Fatalf("expected record not found error, got %v", err)
	}
}