import { randomUUID } from "node:crypto";
import type { MediaSourceItem } from "@rakazo/adapter-kit";
import type { BrandKit, TeaserWeights } from "@rakazo/contracts";
import { TEASER_FEATURES } from "@rakazo/contracts";
import { bootstrapUserSpace } from "./bootstrap-user.js";
import type { PrismaClient } from "./client.js";
import { createDb } from "./client.js";
import type { MediaRepos } from "./media.js";

/*
 * Synthetic fixtures for the Media Studio Postgres tests. Nothing here describes a
 * real person, place, or file.
 */

const signupEnv = { signupsEnabled: "true", signupAllowlist: "" };

export interface MediaTestDb {
  prisma: PrismaClient;
  newUser(): Promise<{ userId: string; spaceId: string }>;
  cleanup(): Promise<void>;
}

export function openMediaTestDb(databaseUrl: string): MediaTestDb {
  const db = createDb(databaseUrl, { poolMax: 8 });
  const userIds: string[] = [];
  return {
    prisma: db.prisma,
    async newUser() {
      // bootstrapUserSpace derives the organization slug from the first 12 characters.
      const id = `md${randomUUID().replaceAll("-", "")}`;
      userIds.push(id);
      await db.prisma.user.create({ data: { id, name: "Test", email: `${id}@rakazo.test` } });
      const { spaceId } = await bootstrapUserSpace(db.prisma, { id }, signupEnv, {
        claimDeploymentOwner: false,
      });
      return { userId: id, spaceId };
    },
    async cleanup() {
      const memberships = await db.prisma.member.findMany({
        where: { userId: { in: userIds } },
        select: { organizationId: true },
      });
      await db.prisma.organization.deleteMany({
        where: { id: { in: memberships.map((member) => member.organizationId) } },
      });
      await db.prisma.user.deleteMany({ where: { id: { in: userIds } } });
      await db.prisma.$disconnect();
      await db.pool.end();
    },
  };
}

export const BASE_TIME = Date.UTC(2026, 0, 1, 8, 0, 0);

export function sourceItem(
  index: number,
  overrides: Partial<MediaSourceItem> = {},
): MediaSourceItem {
  return {
    externalId: `clip-${String(index).padStart(5, "0")}.mp4`,
    kind: index % 3 === 0 ? "photo" : "video",
    capturedAt: new Date(BASE_TIME + index * 60_000),
    durationMs: index % 3 === 0 ? null : 10_000,
    width: 1920,
    height: 1080,
    fps: 30,
    gpsLat: null,
    gpsLon: null,
    deviceModel: "Test Camera",
    albumNames: [],
    isFavorite: false,
    fileName: `clip-${index}.mp4`,
    sizeBytes: 1000 + index,
    revision: "r1",
    ...overrides,
  };
}

export function testEdl(assetId: string, profileId = "example-short-vertical") {
  return {
    edlVersion: 1,
    output: {
      profileId,
      width: 1080,
      height: 1920,
      fps: 30,
      durationTargetMs: 5000,
      durationHardMinMs: 1000,
      durationHardMaxMs: 60_000,
    },
    tracks: {
      video: [{ id: "c1", assetId, inMs: 0, outMs: 5000, atMs: 0, reframe: "auto" }],
    },
    metadata: {},
  };
}

export const testBrandKit: BrandKit = {
  name: "Test Kit",
  colors: {
    primary: "#101010",
    secondary: "#202020",
    accent: "#303030",
    text: "#f0f0f0",
    background: "#000000",
  },
  fonts: [],
  logoArtifactIds: [],
  captionPresets: [],
  musicBeds: [],
};

export const testTeaserWeights = Object.fromEntries(
  TEASER_FEATURES.map((feature) => [feature, 1]),
) as TeaserWeights;

export function vectorBytes(values: number[]): Uint8Array {
  return new Uint8Array(new Float32Array(values).buffer);
}

/** One of every media record in a space, linked the way the product links them. */
export async function seedMediaSpace(media: MediaRepos, spaceId: string, userId: string) {
  const source = await media.createSource(spaceId, {
    kind: "folder",
    label: "Footage",
    ownerUserId: userId,
    config: { path: "/media/footage" },
  });
  const synced = await media.upsertSourceItems(spaceId, source.id, [
    sourceItem(1, { albumNames: ["Holiday"] }),
    sourceItem(2),
  ]);
  const [assetId, secondAssetId] = synced.changedAssetIds as [string, string];
  const analysis = await media.upsertAnalysis(spaceId, assetId, {
    kind: "embeddings",
    modelId: "test-embedder",
    modelVersion: "1",
    vectors: vectorBytes([1, 0, 0]),
  });
  await media.replaceSegments(spaceId, assetId, 1, [
    { kind: "shot", startMs: 0, endMs: 4000, labels: ["beach"], transcriptExcerpt: "hello" },
  ]);
  const segments = await media.listSegments(spaceId, [assetId]);
  const tracks = await media.replaceFaceTracks(spaceId, assetId, "faces-1", [
    {
      startMs: 0,
      endMs: 3000,
      confidenceMin: 0.9,
      keyframesPath: `faces/${assetId}/t1.json`,
      embedding: vectorBytes([0.1, 0.2, 0.3]),
    },
  ]);
  const [person] = await media.createPersonSuggestions(spaceId, [
    { centroid: vectorBytes([0.1, 0.2, 0.3]), trackIds: tracks.map((track) => track.id) },
  ]);
  const mark = await media.createMark(spaceId, {
    kind: "tattoo",
    label: "arm",
    personId: person?.id ?? null,
    assetId,
    prompt: { tMs: 1000, point: { x: 0.5, y: 0.5 } },
    treatment: "blur",
  });
  await media.replaceClusters(spaceId, "session", [
    {
      key: "s1",
      title: "Morning",
      labelSource: "rule",
      startAt: new Date(BASE_TIME),
      endAt: new Date(BASE_TIME + 120_000),
      centroid: null,
      coverAssetId: assetId,
      assetIds: [assetId, secondAssetId],
    },
  ]);
  const collection = (await media.listCollections(spaceId, {})).items[0];
  const brandKit = await media.upsertBrandKit(spaceId, { kit: testBrandKit });
  const project = await media.createProject(spaceId, userId, {
    title: "Teaser",
    goal: "teaser",
    profileIds: ["example-short-vertical"],
    collectionIds: collection ? [collection.id] : [],
    brandKitId: brandKit.id,
  });
  const plan = await media.createPlanVersion(spaceId, {
    projectId: project.id,
    profileId: "example-short-vertical",
    edl: testEdl(assetId),
    createdBy: "agent",
    rationale: null,
  });
  const render = await media.createRender(spaceId, {
    planId: plan.id,
    quality: "draft",
    createdBy: userId,
  });
  await media.claimRender(spaceId, render.id);
  await media.updateRender(spaceId, render.id, { status: "done", progress: 1 });
  const queuedRender = await media.createRender(spaceId, {
    planId: plan.id,
    quality: "final",
    createdBy: userId,
  });
  const publication = await media.createPublication(spaceId, userId, {
    renderId: render.id,
    destination: "bundle",
    targetUrl: "https://example.com/offer",
    trackingUrl: "https://example.com/offer?utm_content=a",
    utm: { source: "shorts", medium: "video", campaign: "launch", content: "a" },
    title: "Title",
    caption: "Caption",
    tags: ["test"],
    thumbnailVariant: "t1",
    scheduledAt: null,
  });
  const metric = await media.recordMetric(spaceId, {
    publicationId: publication.id,
    observedAt: new Date(BASE_TIME).toISOString(),
    views: 100,
    clicks: 10,
    conversions: 1,
    revenueCents: 999,
    currency: "EUR",
    source: "manual",
  });
  const mapping = await media.saveMetricMapping(spaceId, {
    name: "Default",
    delimiter: ",",
    columns: { publication: "id", observedAt: "date", views: "views" },
    publicationKey: "id",
    revenueUnit: "major",
    defaultCurrency: "EUR",
  });
  await media.putTeaserModel(spaceId, testTeaserWeights, 3);
  const upload = await media.beginUpload(spaceId, {
    assetId: secondAssetId,
    userId,
    sizeBytes: 10,
    sha256: "a".repeat(64),
    fileName: "clip.mp4",
    chunkBytes: 4,
  });
  return {
    sourceId: source.id,
    assetId,
    secondAssetId,
    analysisId: analysis.id,
    segmentId: segments[0]?.id as string,
    trackId: tracks[0]?.id as string,
    personId: person?.id as string,
    markId: mark.id,
    collectionId: collection?.id as string,
    brandKitId: brandKit.id,
    projectId: project.id,
    planId: plan.id,
    renderId: render.id,
    queuedRenderId: queuedRender.id,
    publicationId: publication.id,
    metricId: metric.id,
    mappingId: mapping.id as string,
    uploadId: upload.id,
  };
}

export type SeededMediaSpace = Awaited<ReturnType<typeof seedMediaSpace>>;