import type { IsolationTenant } from "@conusai-kit/testing"
import { describe, expect, it, vi } from "vitest"
import { simulatedBusinessAdmission } from "../../../test/helpers/business-admission.js"
import type { LedgerService } from "../core/ports.js"
import { ledgerApp } from "./app.js"
import { ledgerIsolationFixtures } from "./isolation.js"

const fixtureInput = (name: string, tenant: IsolationTenant) => {
  const fixture = ledgerIsolationFixtures[name]
  if (!fixture) throw new Error("missing isolation fixture")
  return fixture.input(tenant)
}
const resultAccount = {
  accountId: "acc_00000000-0000-4000-8000-000000000001",
  code: "SYNTHETIC",
  name: "Operational",
  currency: "EUR",
  type: "asset",
  normalBalance: "debit",
  allowNegative: false,
  status: "active",
  revision: "1",
} as const
const resultTransaction = {
  transactionId: "txn_00000000-0000-4000-8000-000000000001",
  revision: "1",
  effectiveAt: "2026-11-03T00:00:00Z",
  description: "Synthetic",
  reference: null,
  reverses: null,
  status: "pending",
  entries: [],
} as const
const fake = () =>
  ({
    accounts: vi.fn(async () => ({ rows: [] })),
    verify: vi.fn(async () => ({ checkedAccounts: 0, drift: [] })),
    createAccount: vi.fn(async () => resultAccount),
    updateAccount: vi.fn(async () => resultAccount),
    record: vi.fn(async () => ({ ...resultTransaction, entries: [] })),
    transition: vi.fn(async () => ({ ...resultTransaction, entries: [] })),
  }) as unknown as LedgerService

describe("Ledger actual caller with synthetic admission/port", () => {
  it("refuses all 13 procedures with wrong-tenant slugs before service access", async () => {
    const s = fake()
    const app = ledgerApp(s)
    const a = await app.tenant("alpha")
    const b = await app.tenant("beta")
    const tenant = { orgSlug: b.orgSlug } as IsolationTenant
    expect(Object.keys(ledgerIsolationFixtures)).toHaveLength(13)
    for (const [name, fixture] of Object.entries(ledgerIsolationFixtures)) {
      await expect(a.call.callByName(name, fixture.input(tenant))).rejects.toHaveProperty("problem.status", 404)
    }
    expect(s.accounts).not.toHaveBeenCalled()
  })
  it("allows viewer reads, refuses viewer writes and separates member writer from account/reversal admin", async () => {
    const app = ledgerApp(fake())
    const t = await app.tenant("alpha")
    const viewer = await app.member(t, "viewer@alpha.test", "viewer")
    const member = await app.member(t, "writer@alpha.test", "member")
    expect(await viewer.callByName("ledger.accounts.list", { org: t.orgSlug })).toEqual({ rows: [] })
    const tenant = { orgSlug: t.orgSlug } as IsolationTenant
    for (const name of [
      "ledger.accounts.create",
      "ledger.accounts.update",
      "ledger.transactions.record",
      "ledger.transactions.post",
      "ledger.transactions.void",
      "ledger.transactions.reverse",
    ]) {
      await expect(viewer.callByName(name, fixtureInput(name, tenant))).rejects.toHaveProperty("problem.status", 404)
    }
    for (const name of ["ledger.accounts.create", "ledger.accounts.update", "ledger.transactions.reverse"])
      await expect(member.callByName(name, fixtureInput(name, tenant))).rejects.toHaveProperty("problem.status", 404)
  })
  it("refuses unregistered default-off module and missing readiness/binding", async () => {
    for (const [enabled, ready] of [
      [false, true],
      [true, false],
    ]) {
      const s = fake()
      const app = ledgerApp(s, enabled, ready)
      const t = await app.tenant("alpha")
      await expect(t.call.callByName("ledger.accounts.list", { org: t.orgSlug })).rejects.toThrow()
      expect(s.accounts).not.toHaveBeenCalled()
    }
  })
  it("refuses missing approved service scopes and Convex before any adapter call", async () => {
    for (const readiness of [
      {
        ...simulatedBusinessAdmission,
        observe: async () => ({
          ...(await simulatedBusinessAdmission.observe({} as never, {} as never)),
          authorized: false,
        }),
      },
      { ...simulatedBusinessAdmission, profile: "convex" as const },
    ]) {
      const s = fake()
      const app = ledgerApp(s, true, readiness)
      const t = await app.tenant("alpha")
      await expect(t.call.callByName("ledger.accounts.list", { org: t.orgSlug })).rejects.toHaveProperty(
        "problem.code",
        readiness.profile === "convex" ? "service_profile_unsupported" : "service_permission_missing",
      )
      expect(s.accounts).not.toHaveBeenCalled()
    }
  })
  it("allows member financial writes and owner account/reversal administration through the real caller", async () => {
    const service = fake()
    const app = ledgerApp(service)
    const t = await app.tenant("alpha")
    const member = await app.member(t, "writer@alpha.test", "member")
    const tenant = { orgSlug: t.orgSlug } as IsolationTenant
    for (const name of ["ledger.transactions.record", "ledger.transactions.post", "ledger.transactions.void"]) {
      expect(await member.callByName(name, fixtureInput(name, tenant))).toHaveProperty(
        "transactionId",
        resultTransaction.transactionId,
      )
    }
    for (const name of ["ledger.accounts.create", "ledger.accounts.update"]) {
      expect(await t.call.callByName(name, fixtureInput(name, tenant))).toHaveProperty(
        "accountId",
        resultAccount.accountId,
      )
    }
    expect(
      await t.call.callByName("ledger.transactions.reverse", fixtureInput("ledger.transactions.reverse", tenant)),
    ).toHaveProperty("transactionId", resultTransaction.transactionId)
  })
  it("requires explicit financial confirmation and refuses extra body-selected authority", async () => {
    const service = fake()
    const app = ledgerApp(service)
    const t = await app.tenant("alpha")
    const input = fixtureInput("ledger.transactions.record", { orgSlug: t.orgSlug } as IsolationTenant) as Record<
      string,
      unknown
    >
    for (const invalid of [
      { ...input, confirmed: false },
      { ...input, appTenantId: "forged", platformOrg: "beta" },
    ]) {
      await expect(t.call.callByName("ledger.transactions.record", invalid)).rejects.toHaveProperty(
        "problem.status",
        422,
      )
    }
    expect(service.record).not.toHaveBeenCalled()
  })
})