// The catalog procedures end to end: the caller, the tenancy resolver, the module and the real generated
// client against the business-services fake -- what a member sees, what the service gets, and each
// refusal as the kit's app error (`businessAppError`) a page or a form shows.

import type { AppError } from "@conusai-kit/core"
import { entitiesOf } from "@conusai-kit/data"
import { TENANCY_ALSO_CHECK, tenancyIsolationExempt, tenancyIsolationFixtures } from "@conusai-kit/tenancy/testing"
import { type IsolationTenant, runIsolation, snapshotOf } from "@conusai-kit/testing"
import { describe, expect, it } from "vitest"
import { sdkCatalogService } from "../adapters/service.js"
import { catalogApp } from "./app.js"
import { catalogIsolationFixtures } from "./isolation.js"

const refusal = async (promise: Promise<unknown>): Promise<AppError> => {
  try {
    await promise
  } catch (error) {
    return error as AppError
  }
  throw new Error("the call was not refused")
}

const HASH = "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
const bolt = { code: "BOLT-M8", name: "Bolt M8", baseUnit: "C62" }
const nut = { code: "NUT-M8", name: "Nut M8", baseUnit: "C62", description: "A nut" }

const importOf = (rows: unknown[], over: Record<string, unknown> = {}) => ({
  fileHash: HASH,
  sourceName: "products.csv",
  format: "csv",
  chunk: 0,
  finalChunk: true,
  rows,
  requestId: crypto.randomUUID(),
  ...over,
})

async function seeded(options: Parameters<typeof catalogApp>[0] = {}) {
  const app = catalogApp(options)
  const t = await app.tenant("alpha")
  await t.call.callByName("catalog.import.apply", {
    ...t.slugs,
    ...importOf([
      { sourceRow: 2, product: bolt },
      { sourceRow: 3, product: nut },
    ]),
  })
  return { app, t }
}

describe("the catalog procedures", () => {
  it("apply an import, and read its products, with every int64 a plain value", async () => {
    const app = catalogApp()
    const t = await app.tenant("alpha")
    const requestId = crypto.randomUUID()
    const applied = await t.call.callByName("catalog.import.apply", {
      ...t.slugs,
      ...importOf([{ sourceRow: 2, product: bolt }], { requestId }),
    })
    expect(applied).toMatchObject({
      import: { sourceName: "products.csv", status: "applied", revision: "1", created: 1, refused: 0 },
      rows: [{ sourceRow: 2, outcome: "created", reason: null }],
    })
    expect(JSON.parse(JSON.stringify(applied))).toEqual(applied)
    // A retried request applies once.
    expect(
      await t.call.callByName("catalog.import.apply", {
        ...t.slugs,
        ...importOf([{ sourceRow: 2, product: bolt }], { requestId }),
      }),
    ).toEqual(applied)
    expect(app.fake.catalog.products.size).toBe(1)

    const listed = (await t.call.callByName("catalog.product.list", t.slugs)) as {
      rows: Array<{ productId: string }>
    }
    expect(listed.rows).toEqual([
      expect.objectContaining({ code: "BOLT-M8", name: "Bolt M8", baseUnit: "C62", status: "active", revision: "1" }),
    ])
    const productId = listed.rows[0]?.productId as string
    expect(await t.call.callByName("catalog.product.get", { ...t.slugs, productId })).toEqual(listed.rows[0])
    expect(await t.call.callByName("catalog.import.list", t.slugs)).toMatchObject({
      rows: [{ sourceName: "products.csv", created: 1 }],
    })
  })

  it("search by name, by code and by identifier", async () => {
    const { t } = await seeded()
    const search = async (q: string, by?: string) =>
      (
        (await t.call.callByName("catalog.product.search", { ...t.slugs, q, ...(by ? { by } : {}) })) as {
          rows: Array<{ code: string }>
        }
      ).rows.map((row) => row.code)
    expect(await search(" nut ")).toEqual(["NUT-M8"])
    expect(await search("BOLT", "code")).toEqual(["BOLT-M8"])
    expect(await search("nothing")).toEqual([])
    expect(await search("4006381333931", "gtin")).toEqual([])
  })

  it("carry a chunk's revision forward, and report a refused row without losing the others", async () => {
    const app = catalogApp()
    const t = await app.tenant("alpha")
    const first = (await t.call.callByName("catalog.import.apply", {
      ...t.slugs,
      ...importOf([{ sourceRow: 2, product: bolt }], { finalChunk: false }),
    })) as { import: { revision: string; status: string } }
    expect(first.import.status).toBe("applying")
    const second = await t.call.callByName("catalog.import.apply", {
      ...t.slugs,
      ...importOf(
        [
          { sourceRow: 3, product: nut },
          { sourceRow: 4, product: { code: "BAD CODE", name: "Bad", baseUnit: "C62" } },
        ],
        { chunk: 1, revision: first.import.revision },
      ),
    })
    expect(second).toMatchObject({
      import: { status: "applying", revision: "2", created: 2, refused: 1 },
      rows: [
        { sourceRow: 3, outcome: "created" },
        { sourceRow: 4, outcome: "refused", productId: null, reason: "invalid_fields" },
      ],
    })
  })

  it("show the service's refusals in the service's words", async () => {
    const app = catalogApp()
    const t = await app.tenant("alpha")
    const missing = await refusal(t.call.callByName("catalog.product.get", { ...t.slugs, productId: "nobody" }))
    expect(missing.problem).toMatchObject({ status: 404, code: "business_not_found" })
    const stale = await refusal(
      t.call.callByName("catalog.import.apply", {
        ...t.slugs,
        ...importOf([{ sourceRow: 2, product: bolt }], { chunk: 1 }),
      }),
    )
    expect(stale.problem).toMatchObject({ status: 409, code: "business_conflict" })
  })

  it("answer a disabled service, a missing scope and a silent service with the platform's own codes", async () => {
    const app = catalogApp({ catalog: false })
    const t = await app.tenant("alpha")
    const disabled = await refusal(t.call.callByName("catalog.product.list", t.slugs))
    expect(disabled.problem).toMatchObject({ status: 404, code: "service_not_enabled" })
    app.fake.enable("catalog")
    app.fake.revoke("catalog.imports:write")
    const scoped = await refusal(
      t.call.callByName("catalog.import.apply", { ...t.slugs, ...importOf([{ sourceRow: 2, product: bolt }]) }),
    )
    expect(scoped.problem).toMatchObject({ status: 403, code: "service_permission_missing" })
    expect(scoped.problem.detail).not.toContain("catalog.imports:write")
    app.fake.refuseNext(503)
    const silent = await refusal(t.call.callByName("catalog.product.list", t.slugs))
    expect(silent.problem).toMatchObject({ status: 503, code: "business_unavailable" })
  })

  it("let a viewer read and refuse their import before the service is called", async () => {
    const { app, t } = await seeded()
    const viewer = await app.member(t, "viewer@alpha.test", "viewer")
    const listed = (await viewer.callByName("catalog.product.list", t.slugs)) as { rows: unknown[] }
    expect(listed.rows).toHaveLength(2)
    const before = app.fake.calls.length
    // A member without the permission is answered as a non-member is (kit-core's caller, spec §3.3).
    const refused = await refusal(
      viewer.callByName("catalog.import.apply", { ...t.slugs, ...importOf([{ sourceRow: 9, product: bolt }]) }),
    )
    expect(refused.problem.status).toBe(404)
    expect(app.fake.calls.length).toBe(before)
  })

  it("need no scope beyond the ones `kit module:on catalog` asks for", async () => {
    const { t } = await seeded({ scopes: ["catalog.products:read", "catalog.imports:read", "catalog.imports:write"] })
    const { rows } = (await t.call.callByName("catalog.product.list", t.slugs)) as {
      rows: Array<{ productId: string }>
    }
    expect(rows).toHaveLength(2)
    await t.call.callByName("catalog.product.search", { ...t.slugs, q: "nut" })
    await t.call.callByName("catalog.product.get", { ...t.slugs, productId: rows[0]?.productId })
    await t.call.callByName("catalog.import.list", t.slugs)
  })

  it("refuses a record of another platform organization: the token reaches only its own", async () => {
    const { app } = await seeded()
    const [product] = [...app.fake.catalog.products.values()]
    const elsewhere = sdkCatalogService({ client: app.client, orgSlug: "another-organization" })
    await expect(elsewhere.getProduct(product?.id as string)).rejects.toMatchObject({ problem: { status: 404 } })
  })
})

describe("the catalog module's tenant isolation", () => {
  it("refuses every procedure called with another organization's slugs, and never reaches the service", async () => {
    const app = catalogApp()
    const tenant = async (slug: string): Promise<IsolationTenant> => {
      const t = await app.tenant(slug)
      return {
        orgSlug: t.orgSlug,
        workspaceSlug: t.workspaceSlug,
        projectSlug: t.projectSlug,
        orgId: t.orgId,
        workspaceId: t.workspaceId,
        projectId: t.projectId,
        userId: t.owner.userId,
        email: `owner@${slug}.test`,
        extra: {},
      }
    }
    const a = await tenant("alpha")
    const b = await tenant("bravo")
    const result = await runIsolation({
      registry: app.registry,
      seed: async () => ({ a, b }),
      caller: (actor) => app.caller(actor),
      snapshot: () => snapshotOf(app.data, entitiesOf(app.registry, "postgres"), { outbox: app.data.outbox }),
      fixtures: { ...tenancyIsolationFixtures(), ...catalogIsolationFixtures },
      alsoCheck: [...TENANCY_ALSO_CHECK],
      exempt: tenancyIsolationExempt,
    })
    expect(result.failures).toEqual([])
    for (const name of Object.keys(catalogIsolationFixtures)) expect(result.passed, name).toContain(name)
    expect(app.fake.calls).toEqual([])
  })
})