package main

import (
	"context"
	"errors"
	"testing"
	"time"

	apierrors "k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
	"k8s.io/apimachinery/pkg/runtime"
	dynamicfake "k8s.io/client-go/dynamic/fake"
	k8stesting "k8s.io/client-go/testing"
)

func TestCaptureCollected(t *testing.T) {
	ctx := context.Background()
	now := time.Date(2026, 10, 2, 0, 0, 0, 0, time.UTC)
	revision := "0123456789abcdef0123456789abcdef01234567"
	instance := testController(t, pointDelivery(revision), &mutableRefs{values: map[string]string{"refs/heads/main": revision}}, &now)
	client := instance.client.(*dynamicfake.FakeDynamicClient)
	changed := false
	client.PrependReactor("update", "projectdeliveries", func(action k8stesting.Action) (bool, runtime.Object, error) {
		if changed || action.GetSubresource() != "status" {
			return false, nil, nil
		}
		changed = true
		raw, err := client.Tracker().Get(projectDeliveryGVR, "delivery", "point")
		if err != nil {
			t.Fatal(err)
		}
		object := raw.(*unstructured.Unstructured).DeepCopy()
		name := workflowName("build", string(object.GetUID()), "", revision)
		accepted, err := client.Tracker().Get(workflowGVR, "delivery", name)
		if err != nil {
			t.Fatal(err)
		}
		workflow := accepted.(*unstructured.Unstructured).DeepCopy()
		workflow.Object["status"] = map[string]any{"phase": "Succeeded"}
		if len(workflow.GetFinalizers()) == 0 {
			if err := client.Tracker().Delete(workflowGVR, "delivery", name); err != nil {
				t.Fatal(err)
			}
		} else {
			workflow.SetDeletionTimestamp(&metav1.Time{Time: now})
			if err := client.Tracker().Update(workflowGVR, workflow, "delivery"); err != nil {
				t.Fatal(err)
			}
		}
		unstructured.RemoveNestedField(object.Object, "spec", "source", "point")
		if err := unstructured.SetNestedMap(object.Object, map[string]any{"ref": "refs/heads/main"}, "spec", "source", "continuous"); err != nil {
			t.Fatal(err)
		}
		if err := client.Tracker().Update(projectDeliveryGVR, object, "delivery"); err != nil {
			t.Fatal(err)
		}
		return true, nil, apierrors.NewConflict(projectDeliveryGVR.GroupResource(), "point", errors.New("synthetic source update"))
	})
	if err := instance.reconcileKey(ctx, "delivery", "point"); err != nil {
		t.Fatal(err)
	}
	points, _, err := unstructured.NestedSlice(getDelivery(t, instance, "point").Object, "status", "points")
	if err != nil {
		t.Fatal(err)
	}
	if len(points) != 1 {
		t.Fatalf("accepted execution was collected before its status checkpoint: %d records", len(points))
	}
}