import { expect } from '@playwright/test';
import type { Page } from '@playwright/test';
import { PLAYWRIGHT_BASE_URL } from '../playwright/config';
import { test } from '../playwright/fixtures';
import {
    createClientViaApi,
    createProjectMemberViaApi,
    createProjectViaApi,
    createPublicProjectViaApi,
} from './utils/api';
import { getTableRowNames } from './utils/table';

async function goToClientsOverview(page: Page) {
    await page.goto(PLAYWRIGHT_BASE_URL + '/clients');
}

// Create new client via modal
test('test that creating and deleting a new client via the modal works', async ({ page }) => {
    const newClientName = 'New Project ' + Math.floor(1 + Math.random() * 10000);
    await goToClientsOverview(page);
    await page.getByRole('button', { name: 'Create Client' }).click();
    await page.getByPlaceholder('Client Name').fill(newClientName);
    await Promise.all([
        page.getByRole('button', { name: 'Create Client' }).click(),
        page.waitForResponse(
            async (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'POST' &&
                response.status() === 201 &&
                (await response.json()).data.id !== null &&
                (await response.json()).data.name === newClientName
        ),
    ]);

    await expect(page.getByTestId('client_table')).toContainText(newClientName);
    const moreButton = page.locator("[aria-label='Actions for Client " + newClientName + "']");
    await moreButton.click();
    const deleteButton = page.locator("[aria-label='Delete Client " + newClientName + "']");

    await Promise.all([
        deleteButton.click(),
        page.waitForResponse(
            async (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'DELETE' &&
                response.status() === 204
        ),
    ]);
    await expect(page.getByTestId('client_table')).not.toContainText(newClientName);
});

test('test that archiving and unarchiving clients works', async ({ page, ctx }) => {
    const newClientName = 'New Client ' + Math.floor(1 + Math.random() * 10000);
    await createClientViaApi(ctx, { name: newClientName });

    await goToClientsOverview(page);
    await expect(page.getByText(newClientName)).toBeVisible();

    await page.getByRole('row').first().getByRole('button').click();
    await Promise.all([
        page.getByRole('menuitem').getByText('Archive').click(),
        expect(page.getByText(newClientName)).not.toBeVisible(),
    ]);
    await Promise.all([
        page.getByRole('tab', { name: 'Archived' }).click(),
        expect(page.getByText(newClientName)).toBeVisible(),
    ]);

    await page.getByRole('row').first().getByRole('button').click();
    await Promise.all([
        page.getByRole('menuitem').getByText('Unarchive').click(),
        expect(page.getByText(newClientName)).not.toBeVisible(),
    ]);
    await Promise.all([
        page.getByRole('tab', { name: 'Active' }).click(),
        expect(page.getByText(newClientName)).toBeVisible(),
    ]);
});

test('test that editing a client name works', async ({ page, ctx }) => {
    const originalName = 'Original Client ' + Math.floor(1 + Math.random() * 10000);
    const updatedName = 'Updated Client ' + Math.floor(1 + Math.random() * 10000);
    await createClientViaApi(ctx, { name: originalName });

    await goToClientsOverview(page);
    await expect(page.getByText(originalName)).toBeVisible();

    // Open edit modal via actions menu
    const moreButton = page.locator("[aria-label='Actions for Client " + originalName + "']");
    await moreButton.click();
    await page.getByTestId('client_edit').click();

    // Update the client name
    await page.getByPlaceholder('Client Name').fill(updatedName);
    await Promise.all([
        page.getByRole('button', { name: 'Update Client' }).click(),
        page.waitForResponse(
            async (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'PUT' &&
                response.status() === 200
        ),
    ]);

    // Verify updated name is shown and old name is gone
    await expect(page.getByTestId('client_table')).toContainText(updatedName);
    await expect(page.getByTestId('client_table')).not.toContainText(originalName);
});

test('test that deleting a client via actions menu works', async ({ page, ctx }) => {
    const clientName = 'DeleteMe Client ' + Math.floor(1 + Math.random() * 10000);

    await createClientViaApi(ctx, { name: clientName });

    await goToClientsOverview(page);
    await expect(page.getByTestId('client_table')).toContainText(clientName);

    const moreButton = page.locator("[aria-label='Actions for Client " + clientName + "']");
    await moreButton.click();
    const deleteButton = page.locator("[aria-label='Delete Client " + clientName + "']");

    await Promise.all([
        deleteButton.click(),
        page.waitForResponse(
            (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'DELETE' &&
                response.status() === 204
        ),
    ]);

    await expect(page.getByTestId('client_table')).not.toContainText(clientName);
});

// =============================================
// Context Menu Tests
// =============================================

test('test that client context menu edit updates the client', async ({ page, ctx }) => {
    const clientName = 'CtxEditClient ' + Math.floor(1 + Math.random() * 10000);
    const updatedName = 'CtxUpdatedClient ' + Math.floor(1 + Math.random() * 10000);
    await createClientViaApi(ctx, { name: clientName });
    await goToClientsOverview(page);

    const row = page.getByRole('row').filter({ hasText: clientName }).first();
    await expect(row).toBeVisible();
    await row.click({ button: 'right' });
    await expect(page.getByRole('menu')).toBeVisible();
    await page.getByRole('menuitem', { name: 'Edit' }).click();
    await expect(page.getByRole('dialog')).toBeVisible();

    await page.getByPlaceholder('Client Name').fill(updatedName);
    await Promise.all([
        page.getByRole('button', { name: 'Update Client' }).click(),
        page.waitForResponse(
            (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'PUT' &&
                response.status() === 200
        ),
    ]);

    await expect(page.getByTestId('client_table')).toContainText(updatedName);
    await expect(page.getByTestId('client_table')).not.toContainText(clientName);
});

test('test that client context menu archive archives the client', async ({ page, ctx }) => {
    const clientName = 'CtxArchiveClient ' + Math.floor(1 + Math.random() * 10000);
    await createClientViaApi(ctx, { name: clientName });
    await goToClientsOverview(page);

    const row = page.getByRole('row').filter({ hasText: clientName }).first();
    await expect(row).toBeVisible();
    await row.click({ button: 'right' });
    await expect(page.getByRole('menu')).toBeVisible();
    await Promise.all([
        page.waitForResponse(
            (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'PUT' &&
                response.status() === 200
        ),
        page.getByRole('menuitem', { name: 'Archive' }).click(),
    ]);
    await expect(page.getByTestId('client_table')).not.toContainText(clientName);
});

test('test that client context menu delete deletes the client', async ({ page, ctx }) => {
    const clientName = 'CtxDeleteClient ' + Math.floor(1 + Math.random() * 10000);
    await createClientViaApi(ctx, { name: clientName });
    await goToClientsOverview(page);

    const row = page.getByRole('row').filter({ hasText: clientName }).first();
    await expect(row).toBeVisible();
    await row.click({ button: 'right' });
    await expect(page.getByRole('menu')).toBeVisible();
    await Promise.all([
        page.waitForResponse(
            (response) =>
                response.url().includes('/clients') &&
                response.request().method() === 'DELETE' &&
                response.status() === 204
        ),
        page.getByRole('menuitem', { name: 'Delete' }).click(),
    ]);
    await expect(page.getByTestId('client_table')).not.toContainText(clientName);
});

// =============================================
// Sorting Tests
// =============================================

async function clearClientTableState(page: Page) {
    await page.evaluate(() => {
        localStorage.removeItem('client-table-state');
    });
}

test('test that sorting clients by name and status works', async ({ page, ctx }) => {
    await createClientViaApi(ctx, { name: 'AAA SortClient' });
    await createClientViaApi(ctx, { name: 'ZZZ SortClient' });

    await goToClientsOverview(page);
    await clearClientTableState(page);
    await page.reload();

    const table = page.getByTestId('client_table');
    await expect(table).toBeVisible();

    // -- Name sorting (default is name asc) --
    let names = await getTableRowNames(table);
    expect(names.indexOf('AAA SortClient')).toBeLessThan(names.indexOf('ZZZ SortClient'));

    const nameHeader = table.getByText('Name').first();
    await nameHeader.click(); // toggle to desc
    names = await getTableRowNames(table);
    expect(names.indexOf('ZZZ SortClient')).toBeLessThan(names.indexOf('AAA SortClient'));

    // -- Status sorting --
    const statusHeader = table.getByText('Status').first();
    await statusHeader.click(); // asc
    await expect(statusHeader.locator('svg')).toBeVisible();
    await statusHeader.click(); // desc
    await expect(statusHeader.locator('svg')).toBeVisible();
});

test('test that sorting clients by project count works', async ({ page, ctx }) => {
    const clientWithMany = await createClientViaApi(ctx, { name: 'ManyProjects Client' });
    await createClientViaApi(ctx, { name: 'NoProjects Client' });

    // Create projects for the first client
    await createProjectViaApi(ctx, { name: 'Proj1', client_id: clientWithMany.id });
    await createProjectViaApi(ctx, { name: 'Proj2', client_id: clientWithMany.id });

    await goToClientsOverview(page);
    await clearClientTableState(page);
    await page.reload();

    const table = page.getByTestId('client_table');
    await expect(table).toBeVisible();

    // Click Projects header - first click should sort desc (most projects first)
    const projectsHeader = table.getByText('Projects').first();
    await projectsHeader.click();
    await expect(projectsHeader.locator('svg')).toBeVisible();
    let names = await getTableRowNames(table);
    expect(names.indexOf('ManyProjects Client')).toBeLessThan(names.indexOf('NoProjects Client'));

    // Second click toggles to asc (least projects first)
    await projectsHeader.click();
    names = await getTableRowNames(table);
    expect(names.indexOf('NoProjects Client')).toBeLessThan(names.indexOf('ManyProjects Client'));
});

test('test that client sort state persists after page reload', async ({ page }) => {
    await goToClientsOverview(page);
    await clearClientTableState(page);
    await page.reload();

    const table = page.getByTestId('client_table');
    await expect(table).toBeVisible();

    const nameHeader = table.getByText('Name').first();
    await nameHeader.click(); // toggle to desc
    await expect(nameHeader.locator('svg')).toBeVisible();

    await page.reload();

    await expect(page.getByTestId('client_table')).toBeVisible();
    await expect(
        page.getByTestId('client_table').getByText('Name').first().locator('svg')
    ).toBeVisible();
});

// =============================================
// Employee Permission Tests
// =============================================

test.describe('Employee Clients Restrictions', () => {
    test('employee can view clients but cannot create', async ({ ctx, employee }) => {
        // Create a client with a public project so the employee can see the client
        const clientName = 'EmpViewClient ' + Math.floor(Math.random() * 10000);
        const client = await createClientViaApi(ctx, { name: clientName });
        await createPublicProjectViaApi(ctx, { name: 'EmpClientProj', client_id: client.id });

        await employee.page.goto(PLAYWRIGHT_BASE_URL + '/clients');
        await expect(employee.page.getByTestId('clients_view')).toBeVisible({
            timeout: 10000,
        });

        // Employee can see the client
        await expect(employee.page.getByText(clientName)).toBeVisible({ timeout: 10000 });

        // Employee cannot see Create Client button
        await expect(
            employee.page.getByRole('button', { name: 'Create Client' })
        ).not.toBeVisible();
    });

    test('employee cannot see edit/delete/archive actions on clients', async ({
        ctx,
        employee,
    }) => {
        const clientName = 'EmpActionsClient ' + Math.floor(Math.random() * 10000);
        const client = await createClientViaApi(ctx, { name: clientName });
        await createPublicProjectViaApi(ctx, { name: 'EmpClientActProj', client_id: client.id });

        await employee.page.goto(PLAYWRIGHT_BASE_URL + '/clients');
        await expect(employee.page.getByText(clientName)).toBeVisible({ timeout: 10000 });

        // Click the actions dropdown trigger to open the menu
        const actionsButton = employee.page.locator(
            `[aria-label='Actions for Client ${clientName}']`
        );
        await actionsButton.click();

        // The dropdown menu items (Edit, Archive, Delete) should NOT be visible
        await expect(
            employee.page.locator(`[aria-label='Edit Client ${clientName}']`)
        ).not.toBeVisible();
        await expect(
            employee.page.locator(`[aria-label='Archive Client ${clientName}']`)
        ).not.toBeVisible();
        await expect(
            employee.page.locator(`[aria-label='Delete Client ${clientName}']`)
        ).not.toBeVisible();
    });

    test('employee can see client when they are a member of its private project', async ({
        ctx,
        employee,
    }) => {
        const clientName = 'EmpPrivateClient ' + Math.floor(Math.random() * 10000);
        const client = await createClientViaApi(ctx, { name: clientName });

        // Create a private project under this client
        const project = await createProjectViaApi(ctx, {
            name: 'PrivateProj',
            client_id: client.id,
            is_public: false,
        });

        // Add the employee as a project member
        await createProjectMemberViaApi(ctx, project.id, {
            member_id: employee.memberId,
        });

        await employee.page.goto(PLAYWRIGHT_BASE_URL + '/clients');
        await expect(employee.page.getByTestId('clients_view')).toBeVisible({
            timeout: 10000,
        });

        // Employee can see the client because they are a member of its private project
        await expect(employee.page.getByText(clientName)).toBeVisible({ timeout: 10000 });
    });
});

// ──────────────────────────────────────────────────
// Pagination Tests
// ──────────────────────────────────────────────────

test.describe('Clients Pagination', () => {
    test.describe.configure({ timeout: 30000 });

    test('test that client table paginates when there are more than 15 clients', async ({
        page,
        ctx,
    }) => {
        // Create 17 clients with zero-padded names so alphabetical sort is predictable.
        // Page size is 15 → page 1 shows indices 00–14, page 2 shows 15–16.
        const seed = Math.floor(Math.random() * 100000);
        const prefix = `PaginationClient ${seed} `;
        await Promise.all(
            Array.from({ length: 17 }, (_, i) =>
                createClientViaApi(ctx, { name: prefix + String(i).padStart(2, '0') })
            )
        );

        await goToClientsOverview(page);
        await clearClientTableState(page);
        await page.reload();

        // Default sort is name asc; first 15 clients (00–14) on page 1.
        await expect(page.getByText(prefix + '00')).toBeVisible({ timeout: 10000 });
        await expect(page.getByRole('button', { name: 'Next Page' })).toBeVisible();
        // Client 15 should be on page 2, not visible on page 1.
        await expect(page.getByText(prefix + '15')).not.toBeVisible();

        // Exactly 15 data rows mounted on page 1.
        await expect(page.getByRole('row')).toHaveCount(15);

        // Navigation to page 2.
        await page.getByRole('button', { name: 'Next Page' }).click();
        await expect(page.getByText(prefix + '15')).toBeVisible();
        await expect(page.getByText(prefix + '00')).not.toBeVisible();
        // Page 2 contains the remaining 2 clients.
        await expect(page.getByRole('row')).toHaveCount(2);

        // Back to page 1 via Previous Page.
        await page.getByRole('button', { name: 'Previous Page' }).click();
        await expect(page.getByText(prefix + '00')).toBeVisible();
        await expect(page.getByText(prefix + '15')).not.toBeVisible();

        // First / Last page jumps.
        await page.getByRole('button', { name: 'Last Page' }).click();
        await expect(page.getByText(prefix + '15')).toBeVisible();
        await page.getByRole('button', { name: 'First Page' }).click();
        await expect(page.getByText(prefix + '00')).toBeVisible();
        await expect(page.getByText(prefix + '15')).not.toBeVisible();

        // Direct page-number button navigation + selected state.
        await page.getByRole('button', { name: 'Page 2' }).click();
        await expect(page.getByText(prefix + '15')).toBeVisible();
        await expect(page.getByRole('button', { name: 'Page 2' })).toHaveAttribute(
            'aria-current',
            'page'
        );
    });

    test('test that client pagination is not shown when there are 15 or fewer clients', async ({
        page,
        ctx,
    }) => {
        await Promise.all(
            Array.from({ length: 10 }, (_, i) =>
                createClientViaApi(ctx, {
                    name: `FewClient ${Math.floor(Math.random() * 100000)} ${i}`,
                })
            )
        );

        await goToClientsOverview(page);
        await clearClientTableState(page);
        await page.reload();

        await expect(page.getByTestId('client_table')).toBeVisible();
        await expect(page.getByRole('button', { name: 'Next Page' })).toHaveCount(0);
    });

    test('test that changing the sort resets client pagination to page 1', async ({
        page,
        ctx,
    }) => {
        const seed = Math.floor(Math.random() * 100000);
        const prefix = `SortPagClient ${seed} `;
        await Promise.all(
            Array.from({ length: 17 }, (_, i) =>
                createClientViaApi(ctx, { name: prefix + String(i).padStart(2, '0') })
            )
        );

        await goToClientsOverview(page);
        await clearClientTableState(page);
        await page.reload();

        await expect(page.getByText(prefix + '00')).toBeVisible({ timeout: 10000 });

        // Go to page 2.
        await page.getByRole('button', { name: 'Next Page' }).click();
        await expect(page.getByText(prefix + '15')).toBeVisible();

        // Sort by name descending.
        const table = page.getByTestId('client_table');
        const nameHeader = table.getByText('Name').first();
        await nameHeader.click();

        // Pagination reset to page 1; desc order → 16, 15 visible, 00 on page 2.
        await expect(page.getByText(prefix + '16')).toBeVisible();
        await expect(page.getByText(prefix + '15')).toBeVisible();
        await expect(page.getByText(prefix + '00')).not.toBeVisible();
    });
});
