// ABOUTME: E2E tests for the decision engine integration through the dashboard UI.
// ABOUTME: Tests decision display, status colors, and override interactions.
import { expect, test } from "@playwright/test";

test.describe("decision engine", () => {
  test.describe("decision display", () => {
    // These tests require TEST_USER_EMAIL and TEST_USER_PASSWORD env vars
    test.beforeEach(async ({ page }) => {
      const email = process.env.TEST_USER_EMAIL;
      const password = process.env.TEST_USER_PASSWORD;

      if (!email || !password) {
        test.skip();
        return;
      }

      // Login via the login page
      await page.goto("/login");
      await page.waitForLoadState("networkidle");

      const emailInput = page.getByLabel(/email/i);
      const hasEmailForm = await emailInput.isVisible().catch(() => false);

      if (!hasEmailForm) {
        test.skip();
        return;
      }

      await emailInput.fill(email);
      await page.getByLabel(/password/i).fill(password);
      await page.getByRole("button", { name: /sign in/i }).click();

      // Wait for redirect to dashboard
      await page.waitForURL("/", { timeout: 10000 });
    });

    test("decision card shows one of the valid statuses", async ({ page }) => {
      // Wait for dashboard to fully load (loading states to disappear)
      await page.waitForLoadState("networkidle");

      // Wait for loading indicators to disappear (skeleton loading states)
      await page
        .waitForSelector('[aria-label="Loading decision"]', {
          state: "detached",
          timeout: 15000,
        })
        .catch(() => {
          // May not have loading indicator if already loaded
        });

      // Look for any of the valid decision statuses
      const validStatuses = ["REST", "GENTLE", "LIGHT", "REDUCED", "TRAIN"];

      // Wait for decision card or status text to appear
      const decisionCard = page.locator('[data-testid="decision-card"]');
      const statusText = page.getByText(/^(REST|GENTLE|LIGHT|REDUCED|TRAIN)$/);
      const onboarding = page.getByText(/connect garmin|set.*period/i);

      // Wait for one of these to be visible
      await Promise.race([
        decisionCard.waitFor({ timeout: 10000 }),
        statusText.first().waitFor({ timeout: 10000 }),
        onboarding.first().waitFor({ timeout: 10000 }),
      ]).catch(() => {
        // One of them should appear
      });

      const hasDecisionCard = await decisionCard.isVisible().catch(() => false);

      if (hasDecisionCard) {
        const cardText = await decisionCard.textContent();
        const hasValidStatus = validStatuses.some((status) =>
          cardText?.includes(status),
        );
        expect(hasValidStatus).toBe(true);
      } else {
        // Check for any status text on the page (fallback)
        const hasStatus = await statusText
          .first()
          .isVisible()
          .catch(() => false);

        // Either has decision card or shows onboarding (valid states)
        const hasOnboarding = await onboarding
          .first()
          .isVisible()
          .catch(() => false);

        expect(hasStatus || hasOnboarding).toBe(true);
      }
    });

    test("decision displays a reason", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      const decisionCard = page.locator('[data-testid="decision-card"]');
      const hasDecisionCard = await decisionCard.isVisible().catch(() => false);

      if (hasDecisionCard) {
        // Decision card should contain some explanatory text (the reason)
        const cardText = await decisionCard.textContent();
        // Reason should be longer than just the status word
        expect(cardText && cardText.length > 10).toBe(true);
      }
    });

    test("REST status displays with appropriate styling", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      // If REST is displayed, it should have red/danger styling
      const restText = page.getByText("REST");
      const hasRest = await restText
        .first()
        .isVisible()
        .catch(() => false);

      if (hasRest) {
        // REST should be in a container with red background or text
        const decisionCard = page.locator('[data-testid="decision-card"]');
        const hasCard = await decisionCard.isVisible().catch(() => false);

        if (hasCard) {
          // Check that card has some styling (we can't easily check colors in Playwright)
          const cardClasses = await decisionCard.getAttribute("class");
          expect(cardClasses).toBeTruthy();
        }
      }
    });

    test("TRAIN status displays with appropriate styling", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      // If TRAIN is displayed, it should have green/success styling
      const trainText = page.getByText("TRAIN");
      const hasTrain = await trainText
        .first()
        .isVisible()
        .catch(() => false);

      if (hasTrain) {
        const decisionCard = page.locator('[data-testid="decision-card"]');
        const hasCard = await decisionCard.isVisible().catch(() => false);

        if (hasCard) {
          const cardClasses = await decisionCard.getAttribute("class");
          expect(cardClasses).toBeTruthy();
        }
      }
    });
  });

  test.describe("override integration", () => {
    test.beforeEach(async ({ page }) => {
      const email = process.env.TEST_USER_EMAIL;
      const password = process.env.TEST_USER_PASSWORD;

      if (!email || !password) {
        test.skip();
        return;
      }

      await page.goto("/login");
      await page.waitForLoadState("networkidle");

      const emailInput = page.getByLabel(/email/i);
      const hasEmailForm = await emailInput.isVisible().catch(() => false);

      if (!hasEmailForm) {
        test.skip();
        return;
      }

      await emailInput.fill(email);
      await page.getByLabel(/password/i).fill(password);
      await page.getByRole("button", { name: /sign in/i }).click();

      await page.waitForURL("/", { timeout: 10000 });
    });

    test("flare override forces REST decision", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      // Wait for OVERRIDES section to appear
      const overridesHeading = page.getByRole("heading", { name: "OVERRIDES" });
      const hasOverrides = await overridesHeading
        .waitFor({ timeout: 10000 })
        .then(() => true)
        .catch(() => false);

      if (!hasOverrides) {
        test.skip();
        return;
      }

      // Find flare mode checkbox
      const flareCheckbox = page.getByRole("checkbox", { name: /flare mode/i });
      const hasFlare = await flareCheckbox.isVisible().catch(() => false);

      if (!hasFlare) {
        test.skip();
        return;
      }

      // Enable flare override
      const wasChecked = await flareCheckbox.isChecked();
      if (!wasChecked) {
        await flareCheckbox.click();
        await page.waitForTimeout(500);
      }

      // Decision should now show REST
      const decisionCard = page.locator('[data-testid="decision-card"]');
      const hasCard = await decisionCard.isVisible().catch(() => false);

      if (hasCard) {
        const cardText = await decisionCard.textContent();
        expect(cardText).toContain("REST");
      }

      // Clean up - disable flare override
      if (!wasChecked) {
        await flareCheckbox.click();
      }
    });

    test("sleep override forces GENTLE decision", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      const overridesHeading = page.getByRole("heading", { name: "OVERRIDES" });
      const hasOverrides = await overridesHeading
        .waitFor({ timeout: 10000 })
        .then(() => true)
        .catch(() => false);

      if (!hasOverrides) {
        test.skip();
        return;
      }

      // Find poor sleep checkbox
      const sleepCheckbox = page.getByRole("checkbox", { name: /poor sleep/i });
      const hasSleep = await sleepCheckbox.isVisible().catch(() => false);

      if (!hasSleep) {
        test.skip();
        return;
      }

      // Enable sleep override
      const wasChecked = await sleepCheckbox.isChecked();
      if (!wasChecked) {
        await sleepCheckbox.click();
        await page.waitForTimeout(500);
      }

      // Decision should now show GENTLE (unless flare/stress are also active)
      const decisionCard = page.locator('[data-testid="decision-card"]');
      const hasCard = await decisionCard.isVisible().catch(() => false);

      if (hasCard) {
        const cardText = await decisionCard.textContent();
        // Sleep forces GENTLE, but flare/stress would override to REST
        expect(cardText?.includes("GENTLE") || cardText?.includes("REST")).toBe(
          true,
        );
      }

      // Clean up
      if (!wasChecked) {
        await sleepCheckbox.click();
      }
    });

    test("multiple overrides respect priority", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      const overridesHeading = page.getByRole("heading", { name: "OVERRIDES" });
      const hasOverrides = await overridesHeading
        .waitFor({ timeout: 10000 })
        .then(() => true)
        .catch(() => false);

      if (!hasOverrides) {
        test.skip();
        return;
      }

      const flareCheckbox = page.getByRole("checkbox", { name: /flare mode/i });
      const sleepCheckbox = page.getByRole("checkbox", { name: /poor sleep/i });

      const hasFlare = await flareCheckbox.isVisible().catch(() => false);
      const hasSleep = await sleepCheckbox.isVisible().catch(() => false);

      if (!hasFlare || !hasSleep) {
        test.skip();
        return;
      }

      // Record initial states
      const flareWasChecked = await flareCheckbox.isChecked();
      const sleepWasChecked = await sleepCheckbox.isChecked();

      // Enable both flare (REST) and sleep (GENTLE)
      if (!flareWasChecked) await flareCheckbox.click();
      if (!sleepWasChecked) await sleepCheckbox.click();
      await page.waitForTimeout(500);

      // Flare has higher priority, so should show REST
      const decisionCard = page.locator('[data-testid="decision-card"]');
      const hasCard = await decisionCard.isVisible().catch(() => false);

      if (hasCard) {
        const cardText = await decisionCard.textContent();
        expect(cardText).toContain("REST"); // flare > sleep
      }

      // Clean up
      if (!flareWasChecked) await flareCheckbox.click();
      if (!sleepWasChecked) await sleepCheckbox.click();
    });

    test("disabling override restores original decision", async ({ page }) => {
      await page.waitForLoadState("networkidle");

      const overridesHeading = page.getByRole("heading", { name: "OVERRIDES" });
      const hasOverrides = await overridesHeading
        .waitFor({ timeout: 10000 })
        .then(() => true)
        .catch(() => false);

      if (!hasOverrides) {
        test.skip();
        return;
      }

      const flareCheckbox = page.getByRole("checkbox", { name: /flare mode/i });
      const hasFlare = await flareCheckbox.isVisible().catch(() => false);

      if (!hasFlare) {
        test.skip();
        return;
      }

      // Record initial decision
      const decisionCard = page.locator('[data-testid="decision-card"]');
      const hasCard = await decisionCard.isVisible().catch(() => false);

      if (!hasCard) {
        test.skip();
        return;
      }

      const initialDecision = await decisionCard.textContent();
      const flareWasChecked = await flareCheckbox.isChecked();

      // Toggle flare on (if not already)
      if (!flareWasChecked) {
        // Wait for both API calls when clicking the checkbox
        await Promise.all([
          page.waitForResponse("**/api/overrides"),
          page.waitForResponse("**/api/today"),
          flareCheckbox.click(),
        ]);

        // Should now be REST (flare mode forces rest)
        const restDecision = await decisionCard.textContent();
        expect(restDecision).toContain("REST");

        // Toggle flare off and wait for API calls
        await Promise.all([
          page.waitForResponse("**/api/overrides"),
          page.waitForResponse("**/api/today"),
          flareCheckbox.click(),
        ]);

        // Should return to original (or close to it)
        const restoredDecision = await decisionCard.textContent();
        // The exact decision may vary based on time, but it should change from REST
        expect(
          restoredDecision !== restDecision ||
            initialDecision?.includes("REST"),
        ).toBe(true);
      }
    });
  });
});