import { beforeEach, describe, expect, it, vi } from 'vitest';
import { mount } from '@vue/test-utils';

vi.mock('@inertiajs/vue3', async () => import('../../stubs/inertia.js'));

import Index from '../../../../resources/js/Pages/Prompts/Index.vue';
import { inertiaMock, resetInertiaMock } from '../../stubs/inertia.js';

const promptFixture = (id, name, extra = {}) => ({
    id,
    name,
    description: null,
    tags: [{ id: 1, name: 'chat' }],
    is_favorite: false,
    usage_count: 0,
    last_used_at: null,
    ...extra,
});

const baseProps = () => ({
    prompts: {
        data: [
            promptFixture(1, 'Greeter', {
                description: 'Says hi',
                is_favorite: true,
                usage_count: 5,
                last_used_at: '2026-10-01T09:30:00.000000Z',
            }),
            promptFixture(2, 'Summarizer'),
        ],
        current_page: 1,
        last_page: 1,
        total: 2,
    },
    tags: ['chat', 'code', 'writing'],
    filters: { search: '', tag: null, favorites: 0 },
    sort: 'created_at',
    direction: 'desc',
});

const last = () => inertiaMock.routerCalls[inertiaMock.routerCalls.length - 1];

describe('Pages/Prompts/Index', () => {
    beforeEach(() => {
        resetInertiaMock();
    });

    it('renders rows with name, description, tags, usage, and last-used date', () => {
        const wrapper = mount(Index, { props: baseProps() });

        expect(wrapper.text()).toContain('2 prompt(s) in your vault');

        const firstRow = wrapper.findAll('tbody tr')[0];
        expect(firstRow.find('a[href="/prompts/1"]').text()).toBe('Greeter');
        expect(firstRow.text()).toContain('Says hi');
        expect(firstRow.text()).toContain('5×');
        expect(firstRow.text()).toContain('chat');
        expect(firstRow.text()).toMatch(/Oct\s+1,?\s+2026/);
        expect(firstRow.find('a[href="/prompts/1/edit"]').exists()).toBe(true);

        const secondRow = wrapper.findAll('tbody tr')[1];
        expect(secondRow.text()).toContain('Summarizer');
        expect(secondRow.text()).not.toContain('Says hi');
        expect(secondRow.text()).toContain('—');
    });

    it('shows the empty state with a create link when there are no rows', () => {
        const props = {
            ...baseProps(),
            prompts: { data: [], current_page: 1, last_page: 1, total: 0 },
        };
        const wrapper = mount(Index, { props });

        expect(wrapper.text()).toContain('No prompts match.');
        expect(wrapper.find('a[href="/prompts/create"]').exists()).toBe(true);
        expect(wrapper.findAll('tbody tr')).toHaveLength(1);
    });

    it('marks favorite rows with an Unfavorite star and posts the toggle', async () => {
        const wrapper = mount(Index, { props: baseProps() });

        expect(wrapper.find('button[aria-label="Favorite"]').exists()).toBe(true);
        await wrapper.find('button[aria-label="Unfavorite"]').trigger('click');

        const call = last();
        expect(call.method).toBe('post');
        expect(call.url).toBe('/prompts/1/toggle-favorite');
    });

    it('submits the search form into a GET refresh', async () => {
        const wrapper = mount(Index, { props: baseProps() });

        await wrapper.find('input[type="search"]').setValue('ada');
        await wrapper.find('form').trigger('submit');

        const call = last();
        expect(call.method).toBe('get');
        expect(call.url).toBe('/prompts');
        expect(call.data.search).toBe('ada');
        expect(call.data.sort).toBe('created_at');
        expect(call.data.direction).toBe('desc');
    });

    it('refreshes with the selected tag', async () => {
        const wrapper = mount(Index, { props: baseProps() });

        await wrapper.findAll('select')[0].setValue('code');

        expect(last().data.tag).toBe('code');
    });

    it('toggles the favorites filter on and off', async () => {
        const wrapper = mount(Index, { props: baseProps() });
        const checkbox = wrapper.find('input[type="checkbox"]');

        await checkbox.setValue(true);
        expect(last().data.favorites).toBe('1');

        await checkbox.setValue(false);
        expect(last().data.favorites).toBeUndefined();
    });

    it('refreshes with sort and direction changes', async () => {
        const wrapper = mount(Index, { props: baseProps() });
        const selects = wrapper.findAll('select');

        await selects[1].setValue('usage_count');
        expect(last().data.sort).toBe('usage_count');

        await selects[2].setValue('asc');
        expect(last().data.direction).toBe('asc');
    });

    it('duplicates a row via router.post', async () => {
        const wrapper = mount(Index, { props: baseProps() });

        await wrapper.findAll('button').find((b) => b.text() === 'Duplicate').trigger('click');

        const call = last();
        expect(call.method).toBe('post');
        expect(call.url).toBe('/prompts/1/duplicate');
    });

    it('asks for confirmation, then deletes and refreshes', async () => {
        const wrapper = mount(Index, { props: baseProps() });

        await wrapper.findAll('button').find((b) => b.text() === 'Delete').trigger('click');

        const dialog = wrapper.find('[role="dialog"]');
        expect(dialog.text()).toContain('Delete prompt?');
        expect(dialog.text()).toContain('Greeter');
        expect(dialog.text()).toContain('will be permanently deleted');

        await dialog.findAll('button').find((b) => b.text() === 'Delete').trigger('click');

        const call = last();
        expect(call.method).toBe('delete');
        expect(call.url).toBe('/prompts/1');
        expect(wrapper.find('[role="dialog"]').exists()).toBe(false);

        call.data.onFinish();
        expect(last().method).toBe('get');
        expect(last().url).toBe('/prompts');
    });

    it('safely no-ops confirmDelete when no prompt is targeted', () => {
        const wrapper = mount(Index, { props: baseProps() });

        expect(() => wrapper.vm.confirmDelete()).not.toThrow();
        expect(inertiaMock.routerCalls.filter((c) => c.method === 'delete')).toHaveLength(0);
    });

    it('cancels the delete dialog without deleting', async () => {
        const wrapper = mount(Index, { props: baseProps() });

        await wrapper.findAll('button').find((b) => b.text() === 'Delete').trigger('click');
        await wrapper
            .find('[role="dialog"]')
            .findAll('button')
            .find((b) => b.text() === 'Cancel')
            .trigger('click');

        expect(wrapper.find('[role="dialog"]').exists()).toBe(false);
        expect(inertiaMock.routerCalls.filter((c) => c.method === 'delete')).toHaveLength(0);
    });

    it('navigates pages when there is more than one page', async () => {
        const props = {
            ...baseProps(),
            prompts: { ...baseProps().prompts, current_page: 2, last_page: 3 },
        };
        const wrapper = mount(Index, { props });

        expect(wrapper.text()).toContain('Page 2 of 3');

        const prev = wrapper.findAll('button').find((b) => b.text().includes('Prev'));
        const next = wrapper.findAll('button').find((b) => b.text().includes('Next'));
        expect(prev.attributes('disabled')).toBeUndefined();
        expect(next.attributes('disabled')).toBeUndefined();

        await prev.trigger('click');
        expect(last().data.page).toBe(1);

        await next.trigger('click');
        expect(last().data.page).toBe(3);
    });

    it('disables prev/next at the page boundaries', () => {
        const paged = (current_page) => ({
            ...baseProps(),
            prompts: { ...baseProps().prompts, current_page, last_page: 3 },
        });

        const onFirst = mount(Index, { props: paged(1) });
        const onLast = mount(Index, { props: paged(3) });

        const prev = onFirst.findAll('button').find((b) => b.text().includes('Prev'));
        expect(prev.attributes('disabled')).toBeDefined();

        const next = onLast.findAll('button').find((b) => b.text().includes('Next'));
        expect(next.attributes('disabled')).toBeDefined();
    });
});