import { randomUUID } from "node:crypto";
import { eq } from "drizzle-orm";
import { afterAll, afterEach, beforeAll, describe, expect, it } from "vitest";
import {
  activityLog,
  agents,
  companies,
  createDb,
  executionWorkspaces,
  instanceSettings,
  issueComments,
  issueInboxArchives,
  issues,
  projectWorkspaces,
  projects,
} from "@paperclipai/db";
import {
  getEmbeddedPostgresTestSupport,
  startEmbeddedPostgresTestDatabase,
} from "./helpers/embedded-postgres.js";
import { instanceSettingsService } from "../services/instance-settings.ts";
import { issueService } from "../services/issues.ts";

const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;

if (!embeddedPostgresSupport.supported) {
  console.warn(
    `Skipping embedded Postgres issue service tests on this host: ${embeddedPostgresSupport.reason ?? "unsupported environment"}`,
  );
}

describeEmbeddedPostgres("issueService.list participantAgentId", () => {
  let db!: ReturnType<typeof createDb>;
  let svc!: ReturnType<typeof issueService>;
  let tempDb: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>> | null = null;

  beforeAll(async () => {
    tempDb = await startEmbeddedPostgresTestDatabase("paperclip-issues-service-");
    db = createDb(tempDb.connectionString);
    svc = issueService(db);
  }, 20_000);

  afterEach(async () => {
    await db.delete(issueComments);
    await db.delete(issueInboxArchives);
    await db.delete(activityLog);
    await db.delete(issues);
    await db.delete(executionWorkspaces);
    await db.delete(projectWorkspaces);
    await db.delete(projects);
    await db.delete(agents);
    await db.delete(instanceSettings);
    await db.delete(companies);
  });

  afterAll(async () => {
    await tempDb?.cleanup();
  });

  it("returns issues an agent participated in across the supported signals", async () => {
    const companyId = randomUUID();
    const agentId = randomUUID();
    const otherAgentId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });

    await db.insert(agents).values([
      {
        id: agentId,
        companyId,
        name: "CodexCoder",
        role: "engineer",
        status: "active",
        adapterType: "codex_local",
        adapterConfig: {},
        runtimeConfig: {},
        permissions: {},
      },
      {
        id: otherAgentId,
        companyId,
        name: "OtherAgent",
        role: "engineer",
        status: "active",
        adapterType: "codex_local",
        adapterConfig: {},
        runtimeConfig: {},
        permissions: {},
      },
    ]);

    const assignedIssueId = randomUUID();
    const createdIssueId = randomUUID();
    const commentedIssueId = randomUUID();
    const activityIssueId = randomUUID();
    const excludedIssueId = randomUUID();

    await db.insert(issues).values([
      {
        id: assignedIssueId,
        companyId,
        title: "Assigned issue",
        status: "todo",
        priority: "medium",
        assigneeAgentId: agentId,
        createdByAgentId: otherAgentId,
      },
      {
        id: createdIssueId,
        companyId,
        title: "Created issue",
        status: "todo",
        priority: "medium",
        createdByAgentId: agentId,
      },
      {
        id: commentedIssueId,
        companyId,
        title: "Commented issue",
        status: "todo",
        priority: "medium",
        createdByAgentId: otherAgentId,
      },
      {
        id: activityIssueId,
        companyId,
        title: "Activity issue",
        status: "todo",
        priority: "medium",
        createdByAgentId: otherAgentId,
      },
      {
        id: excludedIssueId,
        companyId,
        title: "Excluded issue",
        status: "todo",
        priority: "medium",
        createdByAgentId: otherAgentId,
        assigneeAgentId: otherAgentId,
      },
    ]);

    await db.insert(issueComments).values({
      companyId,
      issueId: commentedIssueId,
      authorAgentId: agentId,
      body: "Investigating this issue.",
    });

    await db.insert(activityLog).values({
      companyId,
      actorType: "agent",
      actorId: agentId,
      action: "issue.updated",
      entityType: "issue",
      entityId: activityIssueId,
      agentId,
      details: { changed: true },
    });

    const result = await svc.list(companyId, { participantAgentId: agentId });
    const resultIds = new Set(result.map((issue) => issue.id));

    expect(resultIds).toEqual(new Set([
      assignedIssueId,
      createdIssueId,
      commentedIssueId,
      activityIssueId,
    ]));
    expect(resultIds.has(excludedIssueId)).toBe(false);
  });

  it("combines participation filtering with search", async () => {
    const companyId = randomUUID();
    const agentId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });

    await db.insert(agents).values({
      id: agentId,
      companyId,
      name: "CodexCoder",
      role: "engineer",
      status: "active",
      adapterType: "codex_local",
      adapterConfig: {},
      runtimeConfig: {},
      permissions: {},
    });

    const matchedIssueId = randomUUID();
    const otherIssueId = randomUUID();

    await db.insert(issues).values([
      {
        id: matchedIssueId,
        companyId,
        title: "Invoice reconciliation",
        status: "todo",
        priority: "medium",
        createdByAgentId: agentId,
      },
      {
        id: otherIssueId,
        companyId,
        title: "Weekly planning",
        status: "todo",
        priority: "medium",
        createdByAgentId: agentId,
      },
    ]);

    const result = await svc.list(companyId, {
      participantAgentId: agentId,
      q: "invoice",
    });

    expect(result.map((issue) => issue.id)).toEqual([matchedIssueId]);
  });

  it("accepts issue identifiers through getById", async () => {
    const companyId = randomUUID();
    const issueId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: "PAP",
      requireBoardApprovalForNewAgents: false,
    });

    await db.insert(issues).values({
      id: issueId,
      companyId,
      issueNumber: 1064,
      identifier: "PAP-1064",
      title: "Feedback votes error",
      status: "todo",
      priority: "medium",
      createdByUserId: "user-1",
    });

    const issue = await svc.getById("PAP-1064");

    expect(issue).toEqual(
      expect.objectContaining({
        id: issueId,
        identifier: "PAP-1064",
      }),
    );
  });

  it("returns null instead of throwing for malformed non-uuid issue refs", async () => {
    await expect(svc.getById("not-a-uuid")).resolves.toBeNull();
  });

  it("filters issues by execution workspace id", async () => {
    const companyId = randomUUID();
    const projectId = randomUUID();
    const targetWorkspaceId = randomUUID();
    const otherWorkspaceId = randomUUID();
    const linkedIssueId = randomUUID();
    const otherLinkedIssueId = randomUUID();
    const unlinkedIssueId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });

    await db.insert(projects).values({
      id: projectId,
      companyId,
      name: "Workspace project",
      status: "in_progress",
    });

    await db.insert(executionWorkspaces).values([
      {
        id: targetWorkspaceId,
        companyId,
        projectId,
        mode: "shared_workspace",
        strategyType: "project_primary",
        name: "Target workspace",
        status: "active",
        providerType: "local_fs",
      },
      {
        id: otherWorkspaceId,
        companyId,
        projectId,
        mode: "shared_workspace",
        strategyType: "project_primary",
        name: "Other workspace",
        status: "active",
        providerType: "local_fs",
      },
    ]);

    await db.insert(issues).values([
      {
        id: linkedIssueId,
        companyId,
        projectId,
        title: "Linked issue",
        status: "todo",
        priority: "medium",
        executionWorkspaceId: targetWorkspaceId,
      },
      {
        id: otherLinkedIssueId,
        companyId,
        projectId,
        title: "Other linked issue",
        status: "todo",
        priority: "medium",
        executionWorkspaceId: otherWorkspaceId,
      },
      {
        id: unlinkedIssueId,
        companyId,
        projectId,
        title: "Unlinked issue",
        status: "todo",
        priority: "medium",
      },
    ]);

    const result = await svc.list(companyId, { executionWorkspaceId: targetWorkspaceId });

    expect(result.map((issue) => issue.id)).toEqual([linkedIssueId]);
  });

  it("hides archived inbox issues until new external activity arrives", async () => {
    const companyId = randomUUID();
    const userId = "user-1";
    const otherUserId = "user-2";

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });

    const visibleIssueId = randomUUID();
    const archivedIssueId = randomUUID();
    const resurfacedIssueId = randomUUID();

    await db.insert(issues).values([
      {
        id: visibleIssueId,
        companyId,
        title: "Visible issue",
        status: "todo",
        priority: "medium",
        createdByUserId: userId,
        createdAt: new Date("2026-03-26T10:00:00.000Z"),
        updatedAt: new Date("2026-03-26T10:00:00.000Z"),
      },
      {
        id: archivedIssueId,
        companyId,
        title: "Archived issue",
        status: "todo",
        priority: "medium",
        createdByUserId: userId,
        createdAt: new Date("2026-03-26T11:00:00.000Z"),
        updatedAt: new Date("2026-03-26T11:00:00.000Z"),
      },
      {
        id: resurfacedIssueId,
        companyId,
        title: "Resurfaced issue",
        status: "todo",
        priority: "medium",
        createdByUserId: userId,
        createdAt: new Date("2026-03-26T12:00:00.000Z"),
        updatedAt: new Date("2026-03-26T12:00:00.000Z"),
      },
    ]);

    await svc.archiveInbox(companyId, archivedIssueId, userId, new Date("2026-03-26T12:30:00.000Z"));
    await svc.archiveInbox(companyId, resurfacedIssueId, userId, new Date("2026-03-26T13:00:00.000Z"));

    await db.insert(issueComments).values({
      companyId,
      issueId: resurfacedIssueId,
      authorUserId: otherUserId,
      body: "This should bring the issue back into Mine.",
      createdAt: new Date("2026-03-26T13:30:00.000Z"),
      updatedAt: new Date("2026-03-26T13:30:00.000Z"),
    });

    const archivedFiltered = await svc.list(companyId, {
      touchedByUserId: userId,
      inboxArchivedByUserId: userId,
    });

    expect(archivedFiltered.map((issue) => issue.id)).toEqual([
      resurfacedIssueId,
      visibleIssueId,
    ]);

    await svc.unarchiveInbox(companyId, archivedIssueId, userId);

    const afterUnarchive = await svc.list(companyId, {
      touchedByUserId: userId,
      inboxArchivedByUserId: userId,
    });

    expect(new Set(afterUnarchive.map((issue) => issue.id))).toEqual(new Set([
      visibleIssueId,
      archivedIssueId,
      resurfacedIssueId,
    ]));
  });

  it("resurfaces archived issue when status/updatedAt changes after archiving", async () => {
    const companyId = randomUUID();
    const userId = "user-1";
    const otherUserId = "user-2";

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });

    const issueId = randomUUID();

    await db.insert(issues).values({
      id: issueId,
      companyId,
      title: "Issue with old comment then status change",
      status: "todo",
      priority: "medium",
      createdByUserId: userId,
      createdAt: new Date("2026-03-26T10:00:00.000Z"),
      updatedAt: new Date("2026-03-26T10:00:00.000Z"),
    });

    // Old external comment before archiving
    await db.insert(issueComments).values({
      companyId,
      issueId,
      authorUserId: otherUserId,
      body: "Old comment before archive",
      createdAt: new Date("2026-03-26T11:00:00.000Z"),
      updatedAt: new Date("2026-03-26T11:00:00.000Z"),
    });

    // Archive after seeing the comment
    await svc.archiveInbox(
      companyId,
      issueId,
      userId,
      new Date("2026-03-26T12:00:00.000Z"),
    );

    // Verify it's archived
    const afterArchive = await svc.list(companyId, {
      touchedByUserId: userId,
      inboxArchivedByUserId: userId,
    });
    expect(afterArchive.map((i) => i.id)).not.toContain(issueId);

    // Status/work update changes updatedAt (no new comment)
    await db
      .update(issues)
      .set({
        status: "in_progress",
        updatedAt: new Date("2026-03-26T13:00:00.000Z"),
      })
      .where(eq(issues.id, issueId));

    // Should resurface because updatedAt > archivedAt
    const afterUpdate = await svc.list(companyId, {
      touchedByUserId: userId,
      inboxArchivedByUserId: userId,
    });
    expect(afterUpdate.map((i) => i.id)).toContain(issueId);
  });

  it("sorts and exposes last activity from comments and non-local issue activity logs", async () => {
    const companyId = randomUUID();
    const olderIssueId = randomUUID();
    const commentIssueId = randomUUID();
    const activityIssueId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });

    await db.insert(issues).values([
      {
        id: olderIssueId,
        companyId,
        title: "Older issue",
        status: "todo",
        priority: "medium",
        updatedAt: new Date("2026-03-26T10:00:00.000Z"),
      },
      {
        id: commentIssueId,
        companyId,
        title: "Comment activity issue",
        status: "todo",
        priority: "medium",
        updatedAt: new Date("2026-03-26T10:00:00.000Z"),
      },
      {
        id: activityIssueId,
        companyId,
        title: "Logged activity issue",
        status: "todo",
        priority: "medium",
        updatedAt: new Date("2026-03-26T10:00:00.000Z"),
      },
    ]);

    await db.insert(issueComments).values({
      companyId,
      issueId: commentIssueId,
      body: "New comment without touching issue.updatedAt",
      createdAt: new Date("2026-03-26T11:00:00.000Z"),
      updatedAt: new Date("2026-03-26T11:00:00.000Z"),
    });

    await db.insert(activityLog).values([
      {
        companyId,
        actorType: "system",
        actorId: "system",
        action: "issue.document_updated",
        entityType: "issue",
        entityId: activityIssueId,
        createdAt: new Date("2026-03-26T12:00:00.000Z"),
      },
      {
        companyId,
        actorType: "user",
        actorId: "user-1",
        action: "issue.read_marked",
        entityType: "issue",
        entityId: olderIssueId,
        createdAt: new Date("2026-03-26T13:00:00.000Z"),
      },
    ]);

    const result = await svc.list(companyId, {});

    expect(result.map((issue) => issue.id)).toEqual([
      activityIssueId,
      commentIssueId,
      olderIssueId,
    ]);
    expect(result.find((issue) => issue.id === activityIssueId)?.lastActivityAt?.toISOString()).toBe(
      "2026-03-26T12:00:00.000Z",
    );
    expect(result.find((issue) => issue.id === commentIssueId)?.lastActivityAt?.toISOString()).toBe(
      "2026-03-26T11:00:00.000Z",
    );
    expect(result.find((issue) => issue.id === olderIssueId)?.lastActivityAt?.toISOString()).toBe(
      "2026-03-26T10:00:00.000Z",
    );
  });
});

describeEmbeddedPostgres("issueService.create workspace inheritance", () => {
  let db!: ReturnType<typeof createDb>;
  let svc!: ReturnType<typeof issueService>;
  let tempDb: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>> | null = null;

  beforeAll(async () => {
    tempDb = await startEmbeddedPostgresTestDatabase("paperclip-issues-create-");
    db = createDb(tempDb.connectionString);
    svc = issueService(db);
  }, 20_000);

  afterEach(async () => {
    await db.delete(issueComments);
    await db.delete(issueInboxArchives);
    await db.delete(activityLog);
    await db.delete(issues);
    await db.delete(executionWorkspaces);
    await db.delete(projectWorkspaces);
    await db.delete(projects);
    await db.delete(agents);
    await db.delete(instanceSettings);
    await db.delete(companies);
  });

  afterAll(async () => {
    await tempDb?.cleanup();
  });

  it("inherits the parent issue workspace linkage when child workspace fields are omitted", async () => {
    const companyId = randomUUID();
    const projectId = randomUUID();
    const parentIssueId = randomUUID();
    const projectWorkspaceId = randomUUID();
    const executionWorkspaceId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });
    await instanceSettingsService(db).updateExperimental({ enableIsolatedWorkspaces: true });

    await db.insert(projects).values({
      id: projectId,
      companyId,
      name: "Workspace project",
      status: "in_progress",
    });

    await db.insert(projectWorkspaces).values({
      id: projectWorkspaceId,
      companyId,
      projectId,
      name: "Primary workspace",
      isPrimary: true,
      sharedWorkspaceKey: "workspace-key",
    });

    await db.insert(executionWorkspaces).values({
      id: executionWorkspaceId,
      companyId,
      projectId,
      projectWorkspaceId,
      mode: "isolated_workspace",
      strategyType: "git_worktree",
      name: "Issue worktree",
      status: "active",
      providerType: "git_worktree",
      providerRef: `/tmp/${executionWorkspaceId}`,
    });

    await db.insert(issues).values({
      id: parentIssueId,
      companyId,
      projectId,
      projectWorkspaceId,
      title: "Parent issue",
      status: "in_progress",
      priority: "medium",
      executionWorkspaceId,
      executionWorkspacePreference: "reuse_existing",
      executionWorkspaceSettings: {
        mode: "isolated_workspace",
        workspaceRuntime: { profile: "agent" },
      },
    });

    const child = await svc.create(companyId, {
      parentId: parentIssueId,
      projectId,
      title: "Child issue",
    });

    expect(child.parentId).toBe(parentIssueId);
    expect(child.projectWorkspaceId).toBe(projectWorkspaceId);
    expect(child.executionWorkspaceId).toBe(executionWorkspaceId);
    expect(child.executionWorkspacePreference).toBe("reuse_existing");
    expect(child.executionWorkspaceSettings).toEqual({
      mode: "isolated_workspace",
      workspaceRuntime: { profile: "agent" },
    });
  });

  it("keeps explicit workspace fields instead of inheriting the parent linkage", async () => {
    const companyId = randomUUID();
    const projectId = randomUUID();
    const parentIssueId = randomUUID();
    const parentProjectWorkspaceId = randomUUID();
    const parentExecutionWorkspaceId = randomUUID();
    const explicitProjectWorkspaceId = randomUUID();
    const explicitExecutionWorkspaceId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });
    await instanceSettingsService(db).updateExperimental({ enableIsolatedWorkspaces: true });

    await db.insert(projects).values({
      id: projectId,
      companyId,
      name: "Workspace project",
      status: "in_progress",
    });

    await db.insert(projectWorkspaces).values([
      {
        id: parentProjectWorkspaceId,
        companyId,
        projectId,
        name: "Parent workspace",
      },
      {
        id: explicitProjectWorkspaceId,
        companyId,
        projectId,
        name: "Explicit workspace",
      },
    ]);

    await db.insert(executionWorkspaces).values([
      {
        id: parentExecutionWorkspaceId,
        companyId,
        projectId,
        projectWorkspaceId: parentProjectWorkspaceId,
        mode: "isolated_workspace",
        strategyType: "git_worktree",
        name: "Parent worktree",
        status: "active",
        providerType: "git_worktree",
      },
      {
        id: explicitExecutionWorkspaceId,
        companyId,
        projectId,
        projectWorkspaceId: explicitProjectWorkspaceId,
        mode: "shared_workspace",
        strategyType: "project_primary",
        name: "Explicit shared workspace",
        status: "active",
        providerType: "local_fs",
      },
    ]);

    await db.insert(issues).values({
      id: parentIssueId,
      companyId,
      projectId,
      projectWorkspaceId: parentProjectWorkspaceId,
      title: "Parent issue",
      status: "in_progress",
      priority: "medium",
      executionWorkspaceId: parentExecutionWorkspaceId,
      executionWorkspacePreference: "reuse_existing",
      executionWorkspaceSettings: {
        mode: "isolated_workspace",
      },
    });

    const child = await svc.create(companyId, {
      parentId: parentIssueId,
      projectId,
      title: "Child issue",
      projectWorkspaceId: explicitProjectWorkspaceId,
      executionWorkspaceId: explicitExecutionWorkspaceId,
      executionWorkspacePreference: "reuse_existing",
      executionWorkspaceSettings: {
        mode: "shared_workspace",
      },
    });

    expect(child.projectWorkspaceId).toBe(explicitProjectWorkspaceId);
    expect(child.executionWorkspaceId).toBe(explicitExecutionWorkspaceId);
    expect(child.executionWorkspacePreference).toBe("reuse_existing");
    expect(child.executionWorkspaceSettings).toEqual({
      mode: "shared_workspace",
    });
  });

  it("inherits workspace linkage from an explicit source issue without creating a parent-child relationship", async () => {
    const companyId = randomUUID();
    const projectId = randomUUID();
    const sourceIssueId = randomUUID();
    const projectWorkspaceId = randomUUID();
    const executionWorkspaceId = randomUUID();

    await db.insert(companies).values({
      id: companyId,
      name: "Paperclip",
      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });
    await instanceSettingsService(db).updateExperimental({ enableIsolatedWorkspaces: true });

    await db.insert(projects).values({
      id: projectId,
      companyId,
      name: "Workspace project",
      status: "in_progress",
    });

    await db.insert(projectWorkspaces).values({
      id: projectWorkspaceId,
      companyId,
      projectId,
      name: "Primary workspace",
    });

    await db.insert(executionWorkspaces).values({
      id: executionWorkspaceId,
      companyId,
      projectId,
      projectWorkspaceId,
      mode: "operator_branch",
      strategyType: "git_worktree",
      name: "Operator branch",
      status: "active",
      providerType: "git_worktree",
    });

    await db.insert(issues).values({
      id: sourceIssueId,
      companyId,
      projectId,
      projectWorkspaceId,
      title: "Source issue",
      status: "todo",
      priority: "medium",
      executionWorkspaceId,
      executionWorkspacePreference: "reuse_existing",
      executionWorkspaceSettings: {
        mode: "operator_branch",
      },
    });

    const followUp = await svc.create(companyId, {
      projectId,
      title: "Follow-up issue",
      inheritExecutionWorkspaceFromIssueId: sourceIssueId,
    });

    expect(followUp.parentId).toBeNull();
    expect(followUp.projectWorkspaceId).toBe(projectWorkspaceId);
    expect(followUp.executionWorkspaceId).toBe(executionWorkspaceId);
    expect(followUp.executionWorkspacePreference).toBe("reuse_existing");
    expect(followUp.executionWorkspaceSettings).toEqual({
      mode: "operator_branch",
    });
  });
});