import { DEFAULT_WORKOUT_DURATION, Routine } from "@/components/Routines/models/Routine";
import { DateTime } from "luxon";
import {
    testMuscleBiggus,
    testMuscleDacttilaris,
    testMuscleDeltoid,
    testMuscleRectusAbdominis
} from "@/tests/exerciseTestdata";
import { testRoutine1, testRoutineDayData1 } from "@/tests/workoutRoutinesTestData";
import { isSameDay, yyyymmddToDate } from "@/core/lib/date";

describe('Routine model tests', () => {

    let routine: Routine;

    beforeEach(() => {
        routine = testRoutine1;
    });


    test('Correctly initialises the object with default values', () => {
        // Arrange
        const testRoutine = new Routine();

        // Assert
        expect(testRoutine.id).toEqual(null);
        expect(testRoutine.name).toEqual('');
        expect(testRoutine.description).toEqual('');
        expect(isSameDay(testRoutine.created, new Date())).toBeTruthy();
        expect(isSameDay(testRoutine.start, new Date())).toBeTruthy();
        expect(isSameDay(
            testRoutine.end,
            DateTime.local().plus({ weeks: DEFAULT_WORKOUT_DURATION }).toJSDate()
        )).toBeTruthy();
        expect(testRoutine.fitInWeek).toEqual(true);
        expect(testRoutine.isTemplate).toEqual(false);
        expect(testRoutine.isPublic).toEqual(false);
        expect(testRoutine.days).toEqual([]);
        expect(testRoutine.dayData).toEqual([]);
    });

    test('correctly calculates the routine duration - less than 1 week', () => {
        // Arrange
        routine.start = new Date('2025-01-01');
        routine.end = new Date('2025-01-02');

        // Act
        const duration = routine.duration;
        const durationText = routine.durationText;

        // Assert
        expect(duration.days).toEqual(1);
        expect(duration.weeks).toEqual(0);
        expect(durationText).toEqual('durationWeeksDays');
    });

    test('correctly calculates the routine duration - exactly one week', () => {
        // Arrange
        routine.end = new Date('2025-01-08');

        // Act
        const duration = routine.duration;
        const durationText = routine.durationText;

        // Assert
        expect(duration.days).toEqual(0);
        expect(duration.weeks).toEqual(1);
        expect(durationText).toEqual('durationWeeks');
    });

    test('correctly calculates the routine duration - more than one week', () => {
        // Arrange
        routine.end = new Date('2025-01-10');

        // Act
        const duration = routine.duration;
        const durationText = routine.durationText;

        // Assert
        expect(duration.days).toEqual(2);
        expect(duration.weeks).toEqual(1);
        expect(durationText).toEqual('durationWeeksDays');
    });

    test('correctly returns all the trained muscles', () => {
        // Act
        const muscles = routine.mainMuscles;

        // Assert
        expect(muscles).toEqual([testMuscleBiggus, testMuscleRectusAbdominis, testMuscleDacttilaris, testMuscleDeltoid]);
    });

    test('correctly returns all the secondary trained muscles', () => {
        // Act
        const muscles = routine.secondaryMuscles;

        // Assert
        expect(muscles).toEqual([]);
    });

    test('correctly calculates the iteration for a date', () => {

        // Assert
        expect(routine.getIteration(yyyymmddToDate('2024-01-01'))).toEqual(null);
        expect(routine.getIteration(yyyymmddToDate('2024-05-05'))).toEqual(1);
    });

    test('correctly returns the DayData for an iteration', () => {

        // Assert
        expect(routine.dayDataCurrentIteration).toEqual(testRoutineDayData1);
    });

    test('correctly filters out null days', () => {

        // Arrange
        routine.dayData = [
            ...testRoutineDayData1,
            ...testRoutineDayData1,
            ...testRoutineDayData1,
        ];
        routine.dayData[0].date = new Date('2026-01-01');
        routine.dayData[1].date = new Date('2026-01-02');
        routine.dayData[2].date = new Date('2026-01-03');

        // Assert
        expect(routine.dayDataCurrentIteration.length).toEqual(3);
        expect(routine.dayDataCurrentIterationFiltered).toEqual(testRoutineDayData1);
    });
});