package containerapi

import (
	"context"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"github.com/itworx/pulse/internal/auth"
	"github.com/itworx/pulse/internal/container"
)

type provider struct{ value container.Snapshot }

func (p provider) Snapshot(context.Context) (container.Snapshot, error) { return p.value, nil }
func authRequest(method, path string) *http.Request {
	r := httptest.NewRequest(method, path, nil)
	return r.WithContext(auth.WithPrincipal(r.Context(), auth.Principal{Subject: "viewer", Role: auth.RoleViewer}))
}

func TestHandlerListDetailAndNoMutation(t *testing.T) {
	snapshot := container.Snapshot{ContractVersion: container.ContractVersion, Source: container.Source{ID: "agent", State: "healthy"}, Containers: []container.Container{{ID: "abc", Name: "media", State: "running", Health: "unhealthy"}}, Total: 1}
	h := Handler{Provider: provider{value: snapshot}}
	list := httptest.NewRecorder()
	h.ServeHTTP(list, authRequest(http.MethodGet, "/api/v1/containers?limit=1"))
	if list.Code != http.StatusOK || !strings.Contains(list.Body.String(), `"name":"media"`) {
		t.Fatalf("status=%d body=%s", list.Code, list.Body.String())
	}
	detail := httptest.NewRecorder()
	h.ServeHTTP(detail, authRequest(http.MethodGet, "/api/v1/containers/abc"))
	if detail.Code != http.StatusOK || !strings.Contains(detail.Body.String(), `"container":{"id":"abc"`) {
		t.Fatalf("status=%d body=%s", detail.Code, detail.Body.String())
	}
	mutate := httptest.NewRecorder()
	h.ServeHTTP(mutate, authRequest(http.MethodPost, "/api/v1/containers/abc/restart"))
	if mutate.Code != http.StatusNotFound {
		t.Fatalf("mutation=%d", mutate.Code)
	}
}

func TestHandlerRequiresAuthentication(t *testing.T) {
	response := httptest.NewRecorder()
	Handler{}.ServeHTTP(response, httptest.NewRequest(http.MethodGet, "/api/v1/containers", nil))
	if response.Code != http.StatusUnauthorized {
		t.Fatalf("status=%d", response.Code)
	}
}

func TestHandlerAppliesFiltersBeforePagination(t *testing.T) {
	snapshot := container.Snapshot{Source: container.Source{ID: "agent", State: "healthy"}, Containers: []container.Container{{ID: "a", Name: "api", State: "running", Health: "healthy"}, {ID: "b", Name: "database", State: "running", Health: "healthy"}}, Total: 2}
	response := httptest.NewRecorder()
	Handler{Provider: provider{value: snapshot}}.ServeHTTP(response, authRequest(http.MethodGet, "/api/v1/containers?limit=1&q=database&state=running&health=healthy&sort=name"))
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), `"name":"database"`) || !strings.Contains(response.Body.String(), `"total":1`) {
		t.Fatalf("status=%d body=%s", response.Code, response.Body.String())
	}
}