import { render } from 'utils/testRenderer';
import { screen } from '@testing-library/react';
import { FeatureChange } from './FeatureChange.tsx';
import type {
    ChangeRequestState,
    ChangeRequestType,
    IChangeRequestFeature,
    IFeatureChange,
} from 'component/changeRequest/changeRequest.types';

describe('Schedule conflicts', () => {
    const change = {
        id: 15,
        action: 'deleteStrategy' as const,
        payload: {
            id: 'b3ac8595-8ad3-419e-aa18-4d82f2b6bc4c',
            name: 'flexibleRollout',
        },
        createdAt: new Date(),
        createdBy: {
            id: 1,
            username: 'admin',
            imageUrl: '',
        },
        scheduleConflicts: {
            changeRequests: [
                {
                    id: 73,
                },
                {
                    id: 80,
                    title: 'Adjust rollout percentage',
                },
            ],
        },
    };

    const feature = (change: IFeatureChange): IChangeRequestFeature => ({
        name: 'conflict-test',
        changes: [change],
    });

    const changeRequest =
        (feature: IChangeRequestFeature) =>
        (state: ChangeRequestState): ChangeRequestType => {
            const shared = {
                id: 1,
                title: '',
                project: 'default',
                environment: 'default',
                minApprovals: 1,
                createdBy: { id: 1, username: 'user1', imageUrl: '' },
                createdAt: new Date(),
                features: [feature],
                segments: [],
                approvals: [],
                rejections: [],
                comments: [],
            };

            if (state === 'Scheduled') {
                return {
                    ...shared,
                    state,
                    schedule: {
                        scheduledAt: '2024-01-12T09:46:51+05:30',
                        status: 'pending',
                    },
                };
            }

            return {
                ...shared,
                state,
            };
        };

    it.each(['Draft', 'Scheduled', 'In review', 'Approved'])(
        'should show schedule conflicts (when they exist) for change request in the %s state',
        async (changeRequestState) => {
            const flag = feature(change);
            render(
                <FeatureChange
                    actions={null}
                    index={0}
                    changeRequest={changeRequest(flag)(
                        changeRequestState as ChangeRequestState,
                    )}
                    change={change}
                    feature={flag}
                />,
            );

            const alert = await screen.findByRole('alert');

            expect(
                alert.textContent!.startsWith('Potential conflict'),
            ).toBeTruthy();

            const links = await screen.findAllByRole('link');

            expect(links).toHaveLength(
                change.scheduleConflicts.changeRequests.length,
            );

            const [link1, link2] = links;

            expect(link1).toHaveTextContent('#73');
            expect(link1).toHaveAccessibleDescription('Change request 73');
            expect(link1).toHaveAttribute(
                'href',
                `/projects/default/change-requests/73`,
            );

            expect(link2).toHaveTextContent('#80 (Adjust rollout percentage)');
            expect(link2).toHaveAccessibleDescription('Change request 80');
            expect(link2).toHaveAttribute(
                'href',
                `/projects/default/change-requests/80`,
            );
        },
    );

    it.each(['Draft', 'Scheduled', 'In review', 'Approved'])(
        'should not show schedule conflicts when they do not exist for change request in the %s state',
        async (changeRequestState) => {
            const { scheduleConflicts, ...changeWithNoScheduleConflicts } =
                change;

            const flag = feature(changeWithNoScheduleConflicts);

            render(
                <FeatureChange
                    actions={null}
                    index={0}
                    changeRequest={changeRequest(flag)(
                        changeRequestState as ChangeRequestState,
                    )}
                    change={changeWithNoScheduleConflicts}
                    feature={flag}
                />,
            );

            const links = screen.queryByRole('link');

            expect(links).toBe(null);

            const alert = screen.queryByRole('alert');

            expect(alert).toBe(null);
        },
    );
});