import type { MediaEditPlan, MediaRender } from "@rakazo/contracts";
import { describe, expect, it } from "vitest";
import {
  assetThumbUrl,
  blockers,
  canApprove,
  canShare,
  formatDuration,
  isRenderActive,
  libraryAccess,
  mediaNotificationRoute,
  projectReadiness,
  projectVariants,
  renderFileUrl,
  shareFileName,
  shouldPollProject,
  uploadsFromDevice,
  variantState,
} from "./media-project";

function plan(
  id: string,
  profileId: string,
  version: number,
  createdAt = "2026-01-01T00:00:00.000Z",
) {
  return { id, profileId, version, createdAt } as MediaEditPlan;
}

function render(id: string, planId: string, overrides: Partial<MediaRender> = {}): MediaRender {
  return {
    id,
    planId,
    projectId: "p1",
    profileId: "example-short-vertical",
    quality: "draft",
    status: "done",
    progress: 1,
    outputs: [{ kind: "video", artifactId: null, fileName: "video.mp4", sizeBytes: 10 }],
    gateReport: null,
    ffprobe: null,
    error: null,
    createdAt: "2026-01-01T00:00:00.000Z",
    updatedAt: "2026-01-01T00:00:00.000Z",
    ...overrides,
  };
}

const profiles = [{ id: "short", name: "Short" }];

function variantFor(renders: MediaRender[]) {
  const [variant] = projectVariants({
    profileIds: ["short"],
    plans: [plan("plan1", "short", 1)],
    renders,
    profiles,
  });
  if (!variant) throw new Error("no variant");
  return variant;
}

describe("projectVariants", () => {
  it("uses the newest plan version per profile and its renders only", () => {
    const variants = projectVariants({
      profileIds: ["short", "wide", "missing"],
      plans: [plan("a1", "short", 1), plan("a2", "short", 2), plan("b1", "wide", 1)],
      renders: [
        render("r-old", "a1", { createdAt: "2026-01-02T00:00:00.000Z" }),
        render("r-new", "a2"),
      ],
      profiles,
    });
    expect(
      variants.map((variant) => [variant.profileId, variant.profileName, variant.plan.id]),
    ).toEqual([
      ["short", "Short", "a2"],
      ["wide", "wide", "b1"],
    ]);
    expect(variants[0]?.latest?.id).toBe("r-new");
    expect(variants[1]?.latest).toBeNull();
  });

  it("previews the final render once it is done, else the draft", () => {
    const draft = render("d", "plan1", { createdAt: "2026-01-01T00:00:00.000Z" });
    const finalRunning = render("f", "plan1", {
      quality: "final",
      status: "rendering",
      outputs: [],
      createdAt: "2026-01-02T00:00:00.000Z",
    });
    expect(variantFor([draft, finalRunning]).preview?.id).toBe("d");
    const finalDone = { ...finalRunning, status: "done" as const, outputs: draft.outputs };
    expect(variantFor([draft, finalDone]).preview?.id).toBe("f");
  });
});

describe("variant state and actions", () => {
  it("is planned without renders and can be approved", () => {
    const variant = variantFor([]);
    expect(variantState(variant)).toBe("planned");
    expect(canApprove(variant)).toBe(true);
    expect(canShare(variant)).toBe(false);
  });

  it("is rendering while a draft runs and cannot be approved", () => {
    const variant = variantFor([render("d", "plan1", { status: "gating", progress: 0.9 })]);
    expect(variantState(variant)).toBe("rendering");
    expect(canApprove(variant)).toBe(false);
  });

  it("approves a finished draft", () => {
    const variant = variantFor([render("d", "plan1")]);
    expect(variantState(variant)).toBe("draft_ready");
    expect(canApprove(variant)).toBe(true);
    expect(canShare(variant)).toBe(false);
  });

  it("shares only a finished final render", () => {
    const running = variantFor([render("f", "plan1", { quality: "final", status: "queued" })]);
    expect(variantState(running)).toBe("approved_rendering");
    expect(canShare(running)).toBe(false);
    const done = variantFor([render("f", "plan1", { quality: "final" })]);
    expect(variantState(done)).toBe("ready");
    expect(canShare(done)).toBe(true);
    expect(canApprove(done)).toBe(false);
  });

  it("never shares a blocked render and lists its blockers", () => {
    const blocked = render("f", "plan1", {
      quality: "final",
      status: "blocked",
      gateReport: {
        profileId: "short",
        passed: false,
        checkedAt: "2026-01-01T00:00:00.000Z",
        sampledFrames: 10,
        autoFixRound: 3,
        issues: [
          {
            check: "consent",
            severity: "block",
            code: "consent_missing",
            message: "Consent missing",
          },
          { check: "text", severity: "warn", code: "long", message: "Long caption" },
        ],
      },
    });
    const variant = variantFor([blocked]);
    expect(variantState(variant)).toBe("blocked");
    expect(canShare(variant)).toBe(false);
    expect(canApprove(variant)).toBe(false);
    expect(blockers(variant.latest).map((issue) => issue.code)).toEqual(["consent_missing"]);
  });

  it("allows another try after a failure", () => {
    const variant = variantFor([render("d", "plan1", { status: "failed", outputs: [] })]);
    expect(variantState(variant)).toBe("failed");
    expect(canApprove(variant)).toBe(true);
  });
});

describe("polling", () => {
  it("polls only while a render is queued, rendering, or gating", () => {
    expect(isRenderActive(null)).toBe(false);
    for (const status of ["queued", "rendering", "gating"] as const) {
      expect(shouldPollProject([render("r", "p", { status })])).toBe(true);
    }
    for (const status of ["done", "blocked", "failed", "canceled"] as const) {
      expect(shouldPollProject([render("r", "p", { status })])).toBe(false);
    }
  });
});

describe("projectReadiness", () => {
  const device = "src-phone";

  it("waits for this device's uploads first", () => {
    expect(
      projectReadiness(
        [
          { sourceId: device, storage: "remote", ingestState: "awaiting_upload" },
          { sourceId: device, storage: "uploaded", ingestState: "analyzed" },
        ],
        true,
        device,
      ),
    ).toBe("uploading");
  });

  it("treats items another device must upload as processing", () => {
    const assets = [
      { sourceId: "src-mac", storage: "remote" as const, ingestState: "awaiting_upload" as const },
    ];
    expect(projectReadiness(assets, true, device)).toBe("processing");
    expect(uploadsFromDevice(assets, device)).toEqual([]);
    expect(uploadsFromDevice(assets, null)).toEqual([]);
  });

  it("waits for analysis when it is available", () => {
    const assets = [
      { sourceId: device, storage: "uploaded" as const, ingestState: "proxied" as const },
    ];
    expect(projectReadiness(assets, true, device)).toBe("processing");
    expect(projectReadiness(assets, false, device)).toBe("ready");
  });

  it("ignores failed items unless all failed", () => {
    expect(
      projectReadiness(
        [
          { sourceId: device, storage: "uploaded", ingestState: "failed" },
          { sourceId: device, storage: "uploaded", ingestState: "analyzed" },
        ],
        true,
        device,
      ),
    ).toBe("ready");
    expect(
      projectReadiness(
        [{ sourceId: device, storage: "uploaded", ingestState: "failed" }],
        true,
        device,
      ),
    ).toBe("failed");
    expect(projectReadiness([], true, device)).toBe("processing");
  });
});

describe("urls and names", () => {
  it("builds render and thumbnail routes", () => {
    expect(renderFileUrl("https://api.example.test/", "r1", "video.mp4")).toBe(
      "https://api.example.test/api/media/renders/r1/files/video.mp4",
    );
    expect(renderFileUrl("https://api.example.test", "r1", "video.mp4", true)).toBe(
      "https://api.example.test/api/media/renders/r1/files/video.mp4?download=1",
    );
    expect(assetThumbUrl("https://api.example.test", "a 1")).toBe(
      "https://api.example.test/api/media/assets/a%201/thumb",
    );
  });

  it("names shared files from the render id", () => {
    expect(shareFileName("r1", "video.MP4")).toBe("render-r1.mp4");
    expect(shareFileName("../r1", "video")).toBe("render-r1.mp4");
  });

  it("formats durations", () => {
    expect(formatDuration(0)).toBe("0:00");
    expect(formatDuration(65_400)).toBe("1:05");
    expect(formatDuration(3_725_000)).toBe("1:02:05");
  });
});

describe("mediaNotificationRoute", () => {
  it("opens the project of a render push", () => {
    expect(
      mediaNotificationRoute({
        kind: "media.render",
        projectId: "p1",
        renderId: "r1",
        status: "done",
      }),
    ).toEqual({ pathname: "/media-project", params: { projectId: "p1" } });
  });

  it("ignores other pushes and malformed ids", () => {
    expect(mediaNotificationRoute(null)).toBeNull();
    expect(mediaNotificationRoute({ kind: "completion", threadId: "t1" })).toBeNull();
    expect(mediaNotificationRoute({ kind: "media.render", projectId: "../x" })).toBeNull();
    expect(mediaNotificationRoute({ kind: "media.render" })).toBeNull();
  });
});

describe("libraryAccess", () => {
  it("distinguishes full, limited, undecided, denied, and blocked access", () => {
    expect(
      libraryAccess({
        granted: true,
        canAskAgain: true,
        status: "granted",
        accessPrivileges: "all",
      }),
    ).toBe("all");
    expect(
      libraryAccess({
        granted: true,
        canAskAgain: true,
        status: "granted",
        accessPrivileges: "limited",
      }),
    ).toBe("limited");
    expect(libraryAccess({ granted: false, canAskAgain: true, status: "undetermined" })).toBe(
      "undetermined",
    );
    expect(libraryAccess({ granted: false, canAskAgain: true, status: "denied" })).toBe("denied");
    expect(libraryAccess({ granted: false, canAskAgain: false, status: "denied" })).toBe("blocked");
  });
});