// ABOUTME: Tests for the database setup script that creates PocketBase collections.
// ABOUTME: Verifies collection definitions and setup logic without hitting real PocketBase.
import { describe, expect, it, vi } from "vitest";

import {
  DAILY_LOGS_COLLECTION,
  getExistingCollectionNames,
  getMissingCollections,
  PERIOD_LOGS_COLLECTION,
} from "./setup-db";

describe("PERIOD_LOGS_COLLECTION", () => {
  it("has correct name", () => {
    expect(PERIOD_LOGS_COLLECTION.name).toBe("period_logs");
  });

  it("has required fields", () => {
    const fieldNames = PERIOD_LOGS_COLLECTION.fields.map((f) => f.name);
    expect(fieldNames).toContain("user");
    expect(fieldNames).toContain("startDate");
    expect(fieldNames).toContain("predictedDate");
  });

  it("has user field as relation to users", () => {
    const userField = PERIOD_LOGS_COLLECTION.fields.find(
      (f) => f.name === "user",
    );
    expect(userField?.type).toBe("relation");
    expect(userField?.collectionId).toBe("users");
    expect(userField?.maxSelect).toBe(1);
    expect(userField?.cascadeDelete).toBe(true);
  });

  it("has startDate as required date", () => {
    const startDateField = PERIOD_LOGS_COLLECTION.fields.find(
      (f) => f.name === "startDate",
    );
    expect(startDateField?.type).toBe("date");
    expect(startDateField?.required).toBe(true);
  });

  it("has predictedDate as optional date", () => {
    const predictedDateField = PERIOD_LOGS_COLLECTION.fields.find(
      (f) => f.name === "predictedDate",
    );
    expect(predictedDateField?.type).toBe("date");
    expect(predictedDateField?.required).toBe(false);
  });
});

describe("DAILY_LOGS_COLLECTION", () => {
  it("has correct name", () => {
    expect(DAILY_LOGS_COLLECTION.name).toBe("dailyLogs");
  });

  it("has all required fields", () => {
    const fieldNames = DAILY_LOGS_COLLECTION.fields.map((f) => f.name);

    // Core fields
    expect(fieldNames).toContain("user");
    expect(fieldNames).toContain("date");
    expect(fieldNames).toContain("cycleDay");
    expect(fieldNames).toContain("phase");

    // Garmin biometric fields
    expect(fieldNames).toContain("bodyBatteryCurrent");
    expect(fieldNames).toContain("bodyBatteryYesterdayLow");
    expect(fieldNames).toContain("hrvStatus");
    expect(fieldNames).toContain("weekIntensityMinutes");

    // Decision fields
    expect(fieldNames).toContain("phaseLimit");
    expect(fieldNames).toContain("remainingMinutes");
    expect(fieldNames).toContain("trainingDecision");
    expect(fieldNames).toContain("decisionReason");
    expect(fieldNames).toContain("notificationSentAt");
  });

  it("has user field as relation to users", () => {
    const userField = DAILY_LOGS_COLLECTION.fields.find(
      (f) => f.name === "user",
    );
    expect(userField?.type).toBe("relation");
    expect(userField?.collectionId).toBe("users");
    expect(userField?.maxSelect).toBe(1);
    expect(userField?.cascadeDelete).toBe(true);
  });

  it("has trainingDecision as required text", () => {
    const field = DAILY_LOGS_COLLECTION.fields.find(
      (f) => f.name === "trainingDecision",
    );
    expect(field?.type).toBe("text");
    expect(field?.required).toBe(true);
  });
});

describe("getExistingCollectionNames", () => {
  it("extracts collection names from PocketBase response", async () => {
    const mockPb = {
      collections: {
        getFullList: vi
          .fn()
          .mockResolvedValue([
            { name: "users" },
            { name: "period_logs" },
            { name: "_superusers" },
          ]),
      },
    };

    // biome-ignore lint/suspicious/noExplicitAny: test mock
    const names = await getExistingCollectionNames(mockPb as any);

    expect(names).toEqual(["users", "period_logs", "_superusers"]);
  });

  it("returns empty array when no collections exist", async () => {
    const mockPb = {
      collections: {
        getFullList: vi.fn().mockResolvedValue([]),
      },
    };

    // biome-ignore lint/suspicious/noExplicitAny: test mock
    const names = await getExistingCollectionNames(mockPb as any);

    expect(names).toEqual([]);
  });
});

describe("getMissingCollections", () => {
  it("returns both collections when none exist", () => {
    const existing = ["users"];
    const missing = getMissingCollections(existing);

    expect(missing).toHaveLength(2);
    expect(missing.map((c) => c.name)).toContain("period_logs");
    expect(missing.map((c) => c.name)).toContain("dailyLogs");
  });

  it("returns only dailyLogs when period_logs exists", () => {
    const existing = ["users", "period_logs"];
    const missing = getMissingCollections(existing);

    expect(missing).toHaveLength(1);
    expect(missing[0].name).toBe("dailyLogs");
  });

  it("returns only period_logs when dailyLogs exists", () => {
    const existing = ["users", "dailyLogs"];
    const missing = getMissingCollections(existing);

    expect(missing).toHaveLength(1);
    expect(missing[0].name).toBe("period_logs");
  });

  it("returns empty array when all collections exist", () => {
    const existing = ["users", "period_logs", "dailyLogs"];
    const missing = getMissingCollections(existing);

    expect(missing).toHaveLength(0);
  });
});