import { randomUUID } from "node:crypto";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { describe, expect, test } from "vitest";
import { DatabaseConnection } from "../../src/main/database/connection";
import { OrganizationService } from "../../src/main/services/organization-service";
import { ProviderService } from "../../src/main/services/provider-service";
import { providerAdapters } from "../../src/main/services/provider-adapters";
import type { AgentTurnResult, ProviderToolTurnInput } from "../../src/main/services/provider-tool-turn";
import { ConnectorGrantsService } from "../../src/main/services/composio/connector-grants";
import { TaskExecutionService } from "../../src/main/services/task-execution-service";
import { RISK_LEVEL, TASK_PRIORITY, TASK_STATUS } from "../../src/shared/domain";
import { buildAgentInstructions, type TaskExecutionAgentRow } from "../../src/main/services/task-prompts";
import { AGENT_TOOLS } from "../../src/main/services/agent-tools";
import { goalKickoffDescription } from "../../src/main/services/goal-kickoff";
import { CEO_FIRST_HIRES } from "../../src/main/services/org-building";
import { answeringModelCheck } from "../helpers/model-check";

function agentRow(overrides: Partial<TaskExecutionAgentRow>): TaskExecutionAgentRow {
  return {
    id: "agt_1",
    name: "Ava",
    role: "Engineer",
    department: "Engineering",
    title: "",
    role_level: "staff",
    model_provider_id: "prv_1",
    model_id: "gpt-5.4",
    manager_agent_id: "agt_ceo",
    ...overrides,
  };
}

describe("agent instructions", () => {
  test("first-hire guidance is one rule everywhere, and new leaders get a leader's voice", () => {
    const ceo = buildAgentInstructions({ agent: agentRow({ name: "CEO", role: "CEO", role_level: "c_suite", manager_agent_id: null }), companyName: "O", isCeo: true, hasReports: false, connectorNames: [], language: "en" });
    const hireTool = AGENT_TOOLS.find((tool) => tool.name === "hire_agent");
    for (const text of [ceo, goalKickoffDescription("O", "Ship", "Ship it.", { roleLevel: "c_suite", hasReports: false }), hireTool?.description ?? ""]) {
      expect(text).toContain(CEO_FIRST_HIRES);
    }
    const voice = (role_level: string, hasReports: boolean) =>
      buildAgentInstructions({ agent: agentRow({ role_level }), companyName: "O", isCeo: false, hasReports, connectorNames: [], language: "en" });
    expect(voice("director", false)).toContain('Your department has no one in it yet: hire the managers (hire_agent, seniority "lead") and staff your department needs');
    expect(voice("lead", false)).toContain("Your team has no one in it yet: hire the staff your team needs (hire_agent)");
    expect(voice("lead", false)).toContain("You lead a team.");
    expect(voice("lead", false)).not.toContain('managers (seniority "lead")');
    expect(voice("director", true)).toContain("You lead a department.");
    expect(voice("director", true)).not.toContain("no one in it yet");
    expect(voice("staff", false)).toContain("You own your craft.");
    expect(voice("staff", false)).not.toContain("You lead");
  });

  test("the CEO is briefed on its grant authority over connectors and skills", () => {
    const text = buildAgentInstructions({
      agent: agentRow({ name: "CEO", role: "CEO", role_level: "c_suite", manager_agent_id: null }),
      companyName: "OrbitOps",
      isCeo: true,
      hasReports: false,
      connectorNames: ["GitHub", "Slack"],
      language: "en",
    });
    expect(text).toContain("every connected service");
    expect(text).toContain("grant_connector");
    expect(text).toContain("grant_skill");
    expect(text).toContain("grant before you assign");
    expect(text).toContain("staff every hire with the skills their role needs");
    expect(text).toContain("humanizer");
    expect(text).toContain("GitHub, Slack");
    expect(text).toContain("You run this company");
  });

  test("staff with grants are told exactly which services they carry", () => {
    const text = buildAgentInstructions({
      agent: agentRow({}),
      companyName: "OrbitOps",
      isCeo: false,
      hasReports: false,
      connectorNames: ["Stripe"],
      language: "en",
    });
    expect(text).toContain("Connected external services you carry in this run: Stripe");
    expect(text).toContain("composio_find_actions");
    expect(text).toContain("list_connectors");
    expect(text).toContain("list_skills");
    expect(text).not.toContain("You run this company");
  });

  test("staff without grants are pointed at the CEO for access", () => {
    const text = buildAgentInstructions({
      agent: agentRow({}),
      companyName: "OrbitOps",
      isCeo: false,
      hasReports: false,
      connectorNames: [],
      language: "en",
    });
    expect(text).toContain("You currently hold no connector grants");
    expect(text).toContain("message the CEO");
    expect(text).not.toContain("grant before you assign");
  });

  test("Chinese app language directs agents to work in Chinese", () => {
    const zh = buildAgentInstructions({
      agent: agentRow({}),
      companyName: "OrbitOps",
      isCeo: false,
      hasReports: false,
      connectorNames: [],
      language: "zh",
    });
    expect(zh).toContain("公司的工作语言是简体中文");
    const en = buildAgentInstructions({
      agent: agentRow({}),
      companyName: "OrbitOps",
      isCeo: false,
      hasReports: false,
      connectorNames: [],
      language: "en",
    });
    expect(en).not.toContain("简体中文");
  });
});

describe("agent instruction wiring", () => {
  const testVault = {
    encryptSecret: (secret: string) => Buffer.from(secret, "utf8"),
    decryptSecret: (ciphertext: Buffer) => ciphertext.toString("utf8"),
  };

  test("a manager-less staff hire is not the CEO, and carries its granted toolkit by name", async () => {
    const connection = new DatabaseConnection(join(tmpdir(), `ac-instr-${randomUUID()}.db`));
    const organization = new OrganizationService(connection.db);
    let capturedInstructions = "";
    const fakeToolTurn = async (input: ProviderToolTurnInput): Promise<AgentTurnResult> => {
      capturedInstructions = input.instructions ?? "";
      return { text: "done", toolCalls: [], rawResponseJson: JSON.stringify({ id: "resp-1" }) };
    };
    const providers = new ProviderService(connection.db, providerAdapters, testVault, answeringModelCheck(fakeToolTurn));
    const execution = new TaskExecutionService(connection.db, providers);

    let orgId = "";
    let agentId = "";
    let taskId = "";
    connection.transaction(() => {
      orgId = organization.createOrganization({
        organizationName: "OrbitOps", employeeName: "Yang", mission: "m", goal: "g",
      });
      const providerId = (connection.db.prepare("select id from providers where org_id = ? and provider_key = 'openai'").get(orgId) as { id: string }).id;
      providers.saveCredential({ orgId, providerId, secret: "sk-test", model: "gpt-5.4" });
      providers.integrationKeys.write("composio", "ak_test");
      agentId = organization.createAgent({
        orgId, name: "Ada", role: "Engineer", department: "Engineering",
        modelProviderId: providerId, modelId: "gpt-5.4", budgetCents: 1000, managerAgentId: null,
      });
      const now = new Date().toISOString();
      connection.db.prepare(`
        insert into connector_accounts(id, org_id, toolkit_slug, toolkit_name, label, auth_config_id, status, created_at, updated_at)
        values ('ca_github', ?, 'github', 'GitHub', 'main', 'ac_github', 'ACTIVE', ?, ?)
      `).run(orgId, now, now);
      new ConnectorGrantsService(connection.db).grant({
        orgId, agentId, toolkitSlug: "github", accountLabel: null, limits: { actions: null, fixedArguments: null }, grantedByType: "employee", grantedById: (connection.db.prepare("select id from employees where org_id = ?").get(orgId) as { id: string }).id,
      });
      taskId = organization.createTask({
        orgId, title: "Ship it", description: "d", status: TASK_STATUS.IN_PROGRESS,
        assigneeAgentId: agentId, risk: RISK_LEVEL.LOW, projectId: null, goalId: null,
        workspaceId: null, priority: TASK_PRIORITY.NORMAL, requiresFilesystem: false,
      });
    });

    await execution.runTask({ orgId, taskId });

    expect(capturedInstructions).not.toContain("You run this company");
    expect(capturedInstructions).toContain("Connected external services you carry in this run: GitHub");
    expect(capturedInstructions).toContain("list_connectors");

    // Switching the app language redirects the whole company to Chinese.
    organization.updateUiPreferences({ language: "zh" });
    connection.db.prepare("update task_runs set state = 'failed' where org_id = ?").run(orgId);
    await execution.runTask({ orgId, taskId });
    expect(capturedInstructions).toContain("公司的工作语言是简体中文");
  });

  test("a new department head's task prompt tells them to staff their department, not to work as an IC", async () => {
    const connection = new DatabaseConnection(join(tmpdir(), `ac-instr-${randomUUID()}.db`));
    const organization = new OrganizationService(connection.db);
    let capturedPrompt = "";
    const fakeToolTurn = async (input: ProviderToolTurnInput): Promise<AgentTurnResult> => {
      const first = input.messages[0];
      if (first?.role !== "user") throw new Error("The run must open with the task prompt.");
      capturedPrompt = first.text;
      return { text: "done", toolCalls: [], rawResponseJson: JSON.stringify({ id: "resp-1" }) };
    };
    const providers = new ProviderService(connection.db, providerAdapters, testVault, answeringModelCheck(fakeToolTurn));
    const execution = new TaskExecutionService(connection.db, providers);
    let orgId = "";
    let taskId = "";
    connection.transaction(() => {
      orgId = organization.createOrganization({ organizationName: "OrbitOps", employeeName: "Yang", mission: "m", goal: "g" });
      const providerId = (connection.db.prepare("select id from providers where org_id = ? and provider_key = 'openai'").get(orgId) as { id: string }).id;
      providers.saveCredential({ orgId, providerId, secret: "sk-test", model: "gpt-5.4" });
      const ceoId = organization.createAgent({
        orgId, name: "CEO", role: "CEO", department: "Executive",
        modelProviderId: providerId, modelId: "gpt-5.4", budgetCents: 1000, managerAgentId: null, roleLevel: "c_suite",
      });
      const ctoId = organization.createAgent({
        orgId, name: "Cora", role: "CTO", department: "Engineering",
        modelProviderId: providerId, modelId: "gpt-5.4", budgetCents: 1000, managerAgentId: ceoId, roleLevel: "director",
      });
      taskId = organization.createTask({
        orgId, title: "Build engineering", description: "Own the platform.", status: TASK_STATUS.IN_PROGRESS,
        assigneeAgentId: ctoId, risk: RISK_LEVEL.LOW, projectId: null, goalId: null,
        workspaceId: null, priority: TASK_PRIORITY.NORMAL, requiresFilesystem: false,
      });
    });

    await execution.runTask({ orgId, taskId });

    // A goal owned by the CTO kicks off with department guidance, never the CEO's officer rule.
    const ctoId = (connection.db.prepare("select id from agents where org_id = ? and name = 'Cora'").get(orgId) as { id: string }).id;
    connection.transaction(() => organization.createGoal({ orgId, title: "Platform", description: "Stand up the platform.", ownerAgentId: ctoId }));
    const kickoff = connection.db.prepare("select description from tasks where org_id = ? and title = 'Operationalize goal: Platform'").get(orgId) as { description: string };
    expect(kickoff.description).toContain('Treat this goal as your objective. Build the team that can deliver it: hire the managers (hire_agent, seniority "lead") and staff your department needs');
    expect(kickoff.description).not.toContain("chief officers");

    expect(capturedPrompt).toContain('Your team is currently empty. First hire the managers (hire_agent, seniority "lead") and staff your department needs');
    expect(capturedPrompt).toContain("Tell your manager the plan in a direct message.");
    expect(capturedPrompt).not.toContain("#general");
    expect(capturedPrompt).not.toContain("Then do the work: write real output");
    // A task without file access plans in a document; it is never told to write files.
    expect(capturedPrompt).toContain("write the initial operating plan as a document (create_document)");
    expect(capturedPrompt).not.toContain("(write_deliverable)");
    connection.close();
  });
});