import { describe, expect, it, beforeAll, vi, afterAll } from 'vitest';
import { createWrapper, axios } from 'app/test/vitest/helper';
import FormModel from 'src/components/FormModel.vue';

describe('FormModel', () => {
    const model = 'mockModel';
    const url = 'mockUrl';
    const formInitialData = { mockKey: 'mockVal' };

    describe('modelValue', () => {
        it('should use the provided model', () => {
            const { vm } = mount({ propsData: { model: 'mockModel' } });
            expect(vm.modelValue).toBe('mockModel');
        });

        it('should use the route meta title when model is not provided', () => {
            const { vm } = mount({});
            expect(vm.modelValue).toBe('formModel_mockTitle');
        });
    });

    describe('onMounted()', () => {
        let mockGet;

        beforeAll(() => {
            mockGet = vi.spyOn(axios, 'get').mockResolvedValue({ data: {} });
        });

        afterAll(() => {
            mockGet.mockRestore();
        });

        it('should not fetch when has formInitialData', () => {
            mount({ propsData: { url, model, autoLoad: true, formInitialData } });
            expect(mockGet).not.toHaveBeenCalled();
        });

        it('should fetch when there is url and auto-load', () => {
            mount({ propsData: { url, model, autoLoad: true } });
            expect(mockGet).toHaveBeenCalled();
        });

        it('should not observe changes', () => {
            const { vm } = mount({
                propsData: { url, model, observeFormChanges: false, formInitialData },
            });

            expect(vm.hasChanges).toBe(true);
            vm.reset();
            expect(vm.hasChanges).toBe(true);
        });

        it('should observe changes', async () => {
            const { vm } = mount({
                propsData: { url, model, formInitialData },
            });
            vm.state.set(model, { mockKey: 'mockVal' });
            expect(vm.hasChanges).toBe(false);

            vm.formData.mockKey = 'newVal';
            await vm.$nextTick();
            expect(vm.hasChanges).toBe(true);
        });
    });

    describe.skip('watch()', () => {
        let wrapper;
        let vm;

        beforeAll(() => {
            wrapper = mount({
                propsData: { url, model, formInitialData },
            });
            vm = wrapper.vm;
        });

        it('should call updateAndEmit when arrayData.store.data changes', async () => {
            const updateAndEmitSpy = vi.spyOn(vm, 'updateAndEmit');
            await vm.$nextTick();
            console.log('vm.arrayData.store.data', vm.arrayData.store.data);
            vm.arrayData.store.data = { newData: 'newValue' };
            await vm.$nextTick();
            vm.arrayData.store.data = { newData: 'anotherVal' };
            await vm.$nextTick();

            expect(updateAndEmitSpy).toHaveBeenCalled();
        });

        it('should call reset and fetch when $props.url or $props.filter changes', async () => {
            const resetSpy = vi.spyOn(vm, 'reset');
            const fetchSpy = vi.spyOn(vm, 'fetch');

            wrapper.setProps({ url: 'newMockUrl' });
            await wrapper.vm.$nextTick();
            expect(resetSpy).toHaveBeenCalled();
            expect(fetchSpy).toHaveBeenCalled();
        });
    });

    describe('trimData()', () => {
        let vm;
        beforeAll(() => {
            vm = mount({}).vm;
        });

        it('should trim whitespace from string values', () => {
            const data = { key1: '  value1  ', key2: '  value2  ' };
            const trimmedData = vm.trimData(data);
            expect(trimmedData).toEqual({ key1: 'value1', key2: 'value2' });
        });

        it('should not modify non-string values', () => {
            const data = { key1: 123, key2: true, key3: null, key4: undefined };
            const trimmedData = vm.trimData(data);
            expect(trimmedData).toEqual(data);
        });
    });

    describe('onUnmounted()', () => {
        it('should restore original data in the store if changes were made but not saved', async () => {
            const wrapper = mount({ propsData: { model, formInitialData } });
            const vm = wrapper.vm;
            vm.formData.mockKey = 'newVal';
            await vm.$nextTick();
            await wrapper.unmount();
            expect(vm.state.get(model)).toEqual(formInitialData);
        });

        it('should clear the store on unmount if clearStoreOnUnmount is true', async () => {
            const wrapper = mount({
                propsData: { model, formInitialData, clearStoreOnUnmount: true },
            });
            const vm = wrapper.vm;
            vm.hasChanges = false;
            await wrapper.unmount();
            expect(vm.state.get(model)).toBeUndefined();
        });
    });
});

function mount({ propsData = {} }) {
    return createWrapper(FormModel, {
        propsData,
    });
}