import { StatementSync } from "node:sqlite";
import { expectDefined } from "@openclaw/normalization-core";
import { isRecord } from "@openclaw/normalization-core/record-coerce";
import { createPluginRuntimeMock } from "openclaw/plugin-sdk/plugin-test-runtime";
import { afterEach, expect, it, vi } from "vitest";
import { createCodexSessionInitializationFixtureForTest } from "../extensions/codex/test-api.js";
import {
  loadSessionEntry,
  loadTranscriptEvents,
  rollbackAgentHarnessSessionEntryLifecycle,
} from "../src/config/sessions/session-accessor.js";
import { writeSessionEntry } from "../src/config/sessions/session-accessor.sqlite-entry-store.js";
import { sessionRewindHandlers } from "../src/gateway/server-methods/sessions-rewind.js";
import { callGatewayHandler } from "../src/gateway/server-methods/skills.test-helpers.js";
import * as sqliteAdmission from "../src/infra/sqlite-worker-operation-admission.js";
import {
  createPluginStateKeyedStoreV2,
  createPluginStateSyncKeyedStore,
  type OpenAsyncKeyedStoreOptions,
  type OpenKeyedStoreOptions,
  type PluginStateActionAuthority,
} from "../src/plugin-state/plugin-state-store.js";
import { createEmptyPluginRegistry } from "../src/plugins/registry-empty.js";
import { markPluginRegistryActive } from "../src/plugins/registry-lifecycle.js";
import { withPluginRuntimeRegistryScope } from "../src/plugins/runtime/gateway-request-scope.js";
import { createRuntimeAgent } from "../src/plugins/runtime/runtime-agent.js";
import { createPluginRecord } from "../src/plugins/status.test-helpers.js";
import type { SessionInitialization } from "../src/sessions/session-initialization.js";
import { sessionChanges } from "../src/sessions/session-row-changes.js";
import * as upstreamLinks from "../src/sessions/session-upstream-links.js";
import { readSessionUpstreamLinkInDatabase } from "../src/sessions/session-upstream-links.kernel.js";
import {
  openOpenClawAgentDatabase,
  runOpenClawAgentWriteTransaction,
} from "../src/state/openclaw-agent-db.js";
import { openOpenClawStateDatabase } from "../src/state/openclaw-state-db.js";
import { observeMainThreadReads } from "../src/test-utils/main-thread-sql-spies.test-support.js";
import { withOpenClawTestState } from "../src/test-utils/openclaw-test-state.js";

function writeLink(input: Parameters<typeof upstreamLinks.upsertSessionUpstreamLink>[0]) {
  expect(upstreamLinks.upsertSessionUpstreamLink(input)).toBe(true);
}

function readLink(sessionKey: string, agentId = "main") {
  return readSessionUpstreamLinkInDatabase(openOpenClawStateDatabase().db, sessionKey, agentId);
}

afterEach(() => vi.restoreAllMocks());

it.each([
  ...[
    "callback",
    "import",
    "before binding",
    "after binding",
    "final readiness",
    "readiness publication",
    "lost response",
    "successor binding",
    "successor link",
    "existing link",
    "source successor",
    "rollback commit",
    "native cleanup",
  ].map((failure) => ({ flow: "fork", failure })),
  ...["callback", "before binding", "after binding", "final readiness", "rollback commit"].map(
    (failure) => ({ flow: "adoption", failure }),
  ),
])(
  "preserves exactly the committed owner after $flow $failure failure",
  async ({ flow, failure }) => {
    await withOpenClawTestState({ label: "codex-initialization-owner" }, async (state) => {
      const agent = createRuntimeAgent();
      const runtime = createPluginRuntimeMock({
        agent,
        state: {
          openKeyedStoreV2: <T>(
            options: OpenAsyncKeyedStoreOptions,
            authority: PluginStateActionAuthority = { assertCurrent() {} },
          ) => createPluginStateKeyedStoreV2<T>("codex", { ...options, env: state.env }, authority),
          openSyncKeyedStore: <T>(options: OpenKeyedStoreOptions) =>
            createPluginStateSyncKeyedStore<T>("codex", { ...options, env: state.env }),
        },
      });
      const fixture = await createCodexSessionInitializationFixtureForTest({
        runtime,
        workspaceDir: state.workspaceDir,
      });
      const { params, sourceThread, forkedThread, native, bindingStore, harness } = fixture;
      const sourceBinding = bindingStore.read(fixture.sourceIdentity);
      const sourceEntry = loadSessionEntry(params.source);
      let expectedSourceEntry = sourceEntry;
      const replaceSource = () => {
        runOpenClawAgentWriteTransaction(
          (database) =>
            writeSessionEntry(database, params.source.sessionKey, {
              ...expectDefined(sourceEntry, "source"),
              sessionId: "source-successor",
              lifecycleRevision: "successor-generation",
            }),
          { agentId: "main" },
        );
        expectedSourceEntry = loadSessionEntry({ ...params.source, readConsistency: "latest" });
      };
      const sourceHistory = await loadTranscriptEvents(params.source);
      let linkOperation: "write" | "cleanup" | undefined;
      let linkGrantReads = 0;
      let rollbackCommitRefused = false;
      let rejectReadinessCommit = false;
      let readinessCommitRefused = false;
      let readinessPublicationRefused = false;
      let readyAtPublication: ReturnType<typeof loadSessionEntry>;
      let stopReadinessPublication: (() => void) | undefined;
      const reads = observeMainThreadReads();
      const upsertLink = upstreamLinks.upsertSessionUpstreamLinkWithCurrentSource;
      const deleteLink = upstreamLinks.deleteSessionUpstreamLinkAsync;
      const trackLink =
        <Args extends unknown[], Result>(
          operation: "write" | "cleanup",
          run: (...args: Args) => Promise<Result>,
        ) =>
        async (...args: Args) => {
          linkOperation = operation;
          try {
            return await run(...args);
          } finally {
            linkOperation = undefined;
          }
        };
      vi.spyOn(upstreamLinks, "upsertSessionUpstreamLinkWithCurrentSource").mockImplementation(
        trackLink("write", upsertLink),
      );
      vi.spyOn(upstreamLinks, "deleteSessionUpstreamLinkAsync").mockImplementation(
        trackLink("cleanup", deleteLink),
      );
      const createAdmission = sqliteAdmission.createSqliteWorkerOperationAdmission;
      vi.spyOn(sqliteAdmission, "createSqliteWorkerOperationAdmission").mockImplementation(
        (admit, attachment) => {
          const operation = linkOperation;
          return createAdmission((request, grant) => {
            const publication =
              isRecord(request.facts) && isRecord(request.facts.publication)
                ? request.facts.publication.kind
                : undefined;
            if (
              rejectReadinessCommit &&
              request.stage === "commit" &&
              publication === "session-entry-patch-committed"
            ) {
              rejectReadinessCommit = false;
              readinessCommitRefused = true;
              throw new Error("injected readiness failure");
            }
            if (
              failure === "rollback commit" &&
              request.stage === "commit" &&
              publication === "session-native-binding"
            ) {
              rollbackCommitRefused = true;
              throw new Error("injected rollback failure");
            }
            const offsets = reads.calls.map((call) => call.mock.contexts.length);
            try {
              admit(request, grant);
            } finally {
              if (operation && (request.stage === "transaction" || request.stage === "commit")) {
                for (const [index, call] of reads.calls.entries()) {
                  linkGrantReads += call.mock.contexts
                    .slice(offsets[index])
                    .filter(
                      (statement) =>
                        statement instanceof StatementSync &&
                        statement.sourceSQL.includes("session_upstream_links"),
                    ).length;
                }
              }
            }
          }, attachment);
        },
      );
      const registry = createEmptyPluginRegistry();
      registry.plugins.push(createPluginRecord({ id: "codex" }));
      registry.agentHarnesses.push({ pluginId: "codex", source: "runtime", harness });
      markPluginRegistryActive(registry);
      const invokeFork = async () => {
        writeLink({
          sessionKey: params.source.sessionKey,
          agentId: "main",
          catalogId: params.upstream.catalogId,
          hostId: params.upstream.hostId,
          upstreamKind: params.upstream.kind,
          threadId: sourceThread.id,
          upstreamRef: params.upstream.ref,
          marker: null,
        });
        const result = await callGatewayHandler(
          sessionRewindHandlers,
          "sessions.fork",
          { sessionKey: params.source.sessionKey, entryId: params.source.entryId },
          {
            context: {
              getRuntimeConfig: () => ({}),
              getSessionEventSubscriberConnIds: () => new Set(),
              broadcastToConnIds: vi.fn(),
            },
          },
        );
        expect(result.ok).not.toBeNull();
        const message = isRecord(result.error) ? result.error.message : undefined;
        return {
          status: result.ok ? "created" : "failed",
          ...(typeof message === "string" ? { message } : {}),
        };
      };
      const deletion = vi.spyOn(harness, "withSessionDeletion");
      const mutate = bindingStore.mutate.bind(bindingStore);
      let childSessionId: string | undefined;
      let retained: SessionInitialization | undefined;
      const create = runtime.agent.session.createSessionEntry;
      vi.spyOn(runtime.agent.session, "createSessionEntry").mockImplementation(async (input) => {
        const created = await create({
          ...input,
          afterCreate: async (context) => {
            childSessionId = context.sessionId;
            params.targetKey = context.key;
            retained = context.initialization;
            if (failure === "callback") {
              throw new Error("injected callback failure");
            }
            if (failure === "existing link") {
              writeLink({
                sessionKey: context.key,
                agentId: context.agentId,
                catalogId: "codex",
                hostId: "gateway:local",
                upstreamKind: "codex-app-server",
                threadId: "existing-successor",
                upstreamRef: { threadId: "existing-successor" },
                marker: null,
              });
              successorLink = readLink(context.key, context.agentId);
            }
            let patch: Awaited<ReturnType<NonNullable<typeof input.afterCreate>>>;
            try {
              patch = await input.afterCreate!(context);
            } finally {
              if (failure === "import") {
                // The import fault must not alter schema admission during rollback.
                openOpenClawAgentDatabase({ agentId: "main" }).db.exec(
                  "DROP TRIGGER reject_import",
                );
              }
            }
            if (!patch) {
              throw new Error("Codex initializer did not return its final patch");
            }
            rejectReadinessCommit = failure === "final readiness";
            return patch;
          },
        });
        if (failure === "lost response") {
          expect(created.entry.initializationPending).toBeUndefined();
          throw new Error("injected response loss after readiness");
        }
        return created;
      });
      let successorBinding: Awaited<ReturnType<typeof bindingStore.read>>;
      let successorLink: ReturnType<typeof readSessionUpstreamLinkInDatabase>;
      if (failure === "native cleanup") {
        native.archiveThread.mockRejectedValue(new Error("injected archive failure"));
        native.control.retireConnection = vi.fn();
      }
      vi.spyOn(bindingStore, "mutate").mockImplementation(async (identity, mutation, guard) => {
        if (mutation.kind !== "set") {
          return await mutate(identity, mutation, guard);
        }
        if (identity.kind === "session") {
          childSessionId = identity.sessionId;
        }
        if (failure === "before binding") {
          throw new Error("injected binding write failure");
        }
        const attached = await mutate(identity, mutation, guard);
        expect(attached).toBe(true);
        if (failure === "source successor") {
          replaceSource();
        }
        if (failure === "successor binding") {
          await mutate(identity, {
            kind: "patch",
            threadId: forkedThread.id,
            patch: { model: "successor-model" },
          });
          successorBinding = bindingStore.read(identity);
        }
        if (failure === "successor link") {
          writeLink({
            ...expectDefined(readLink(params.targetKey), "created link"),
            marker: { turnId: "successor-turn", userMessageCount: 2 },
            threadId: "successor-thread",
          });
          successorLink = readLink(params.targetKey);
        }
        if (
          [
            "after binding",
            "successor binding",
            "successor link",
            "rollback commit",
            "native cleanup",
          ].includes(failure)
        ) {
          throw new Error("injected post-write failure");
        }
        if (failure === "readiness publication") {
          stopReadinessPublication = sessionChanges.subscribe((change) => {
            if (
              readinessPublicationRefused ||
              !("sessionKey" in change) ||
              change.sessionKey !== params.targetKey
            ) {
              return;
            }
            const ready = loadSessionEntry({
              agentId: "main",
              sessionKey: params.targetKey,
              readConsistency: "latest",
            });
            if (
              !ready ||
              ready.sessionId !== childSessionId ||
              ready.initializationPending === true
            ) {
              return;
            }
            readyAtPublication = ready;
            readinessPublicationRefused = true;
            throw new Error("injected readiness publication failure");
          });
        }
        return attached;
      });

      if (failure === "import") {
        // Allow the child header so the callback captures identity before imported messages fail.
        openOpenClawAgentDatabase({ agentId: "main" }).db.exec(
          "CREATE TRIGGER reject_import BEFORE INSERT ON transcript_events WHEN NEW.navigation_type = 'message' BEGIN SELECT RAISE(ABORT, 'injected import failure'); END",
        );
      }
      const result = await withPluginRuntimeRegistryScope(
        registry,
        flow === "fork" ? invokeFork : fixture.adopt,
      ).finally(() => stopReadinessPublication?.());

      if (failure === "rollback commit") {
        expect(rollbackCommitRefused).toBe(true);
      }
      if (failure === "import") {
        expect(result.message).toContain("injected import failure");
      }
      if (failure === "final readiness") {
        expect(readinessCommitRefused).toBe(true);
        expect(result.message).toContain("injected readiness failure");
      }
      if (failure === "readiness publication") {
        expect(readinessPublicationRefused).toBe(true);
        expect(readyAtPublication?.sessionId).toBe(childSessionId);
        expect(readyAtPublication?.initializationPending).toBeUndefined();
      }
      expect(linkGrantReads).toBe(0);
      expect(result).toMatchObject({
        status: failure === "readiness publication" ? "created" : "failed",
      });
      const identity = {
        kind: "session" as const,
        agentId: "main",
        sessionKey: params.targetKey,
        sessionId: expectDefined(childSessionId, "created child identity"),
      };
      const child = loadSessionEntry(identity);
      const binding = bindingStore.read(identity);
      const link = readLink(params.targetKey);
      if (failure === "lost response" || failure === "readiness publication") {
        expect(child?.initializationPending).toBeUndefined();
        expect(child?.sessionId).toBe(childSessionId);
        expect(binding?.threadId).toBe(forkedThread.id);
        expect(link?.threadId).toBe(forkedThread.id);
        expect(native.archiveThread).not.toHaveBeenCalled();
        expect(deletion).not.toHaveBeenCalled();
      } else if (["successor binding", "rollback commit"].includes(failure)) {
        expect(child?.initializationPending).toBe(true);
        expect(binding).toEqual(
          successorBinding ??
            expect.objectContaining({
              threadId: flow === "fork" ? forkedThread.id : sourceThread.id,
            }),
        );
        expect(link?.threadId).toBe(flow === "fork" ? forkedThread.id : undefined);
        expect(native.archiveThread).not.toHaveBeenCalled();
        expect(result).toMatchObject({
          message: expect.stringContaining("guarded rollback did not complete"),
        });
      } else {
        expect(deletion).toHaveBeenCalledOnce();
        expect(child).toBeUndefined();
        expect(binding).toBeUndefined();
        expect(link).toEqual(successorLink);
        expect(await loadTranscriptEvents(identity)).toEqual([]);
        if (failure === "successor link" || flow === "adoption") {
          expect(native.archiveThread).not.toHaveBeenCalled();
        } else {
          expect(native.archiveThread).toHaveBeenCalledExactlyOnceWith(
            forkedThread.id,
            failure === "callback"
              ? undefined
              : expectDefined(retained, "initializer handle").assertRollbackCurrent,
          );
        }
        if (failure === "native cleanup") {
          expect(native.control.retireConnection).toHaveBeenCalledOnce();
          expect(result).toMatchObject({
            message: expect.stringContaining("guarded rollback did not complete"),
          });
        }
      }
      for (const method of ["assertCurrent", "assertRollbackCurrent"] as const) {
        expect(() => expectDefined(retained, "initializer handle")[method]()).toThrow("closed");
      }
      if (failure === "lost response") {
        await expect(
          withPluginRuntimeRegistryScope(registry, () =>
            rollbackAgentHarnessSessionEntryLifecycle({
              agentId: "main",
              storePath: params.source.storePath,
              target: { canonicalKey: params.targetKey, storeKeys: [params.targetKey] },
              expectedEntry: expectDefined(child, "ready child"),
              expectedSessionId: identity.sessionId,
              expectedUpdatedAt: child!.updatedAt,
              archiveTranscript: true,
            }),
          ),
        ).rejects.toThrow("owned by supervision");
        expect(loadSessionEntry(identity)).toEqual(child);
        expect(bindingStore.read(identity)).toEqual(binding);
      }
      expect(bindingStore.read(fixture.sourceIdentity)).toEqual(sourceBinding);
      expect(loadSessionEntry(params.source)).toEqual(expectedSourceEntry);
      expect(await loadTranscriptEvents(params.source)).toEqual(sourceHistory);
      expect(native.archiveThread.mock.calls).not.toEqual(
        expect.arrayContaining([expect.arrayContaining([sourceThread.id])]),
      );
    });
  },
);