<template>
    <section :class="['information', darkMode ? 'section-darkmode' : 'section-lightmode']">
        <h2 v-if="!editable" :class="['issue-variant-name', darkMode ? 'h2-darkmode' : 'h2-lightmode']">{{
        issueVariant.name }}</h2>
        <input v-if="editable" v-model="issueVariant.name" @change="updateIssueVariant()"
            :class="['data', 'issue-name-input', darkMode ? 'h2-darkmode' : 'h2-lightmode', darkMode ? 'h2-input-darkmode' : 'h2-input-lightmode', 'input']">
        <div class="issue-variant-data">
            <div class="variantOf">
                <div class="data-field" id="variantOf">
                    <pre :class="['label', darkMode ? 'pre-darkmode' : 'pre-lightmode']">Variant of:</pre>
                    <pre
                        :class="['data', darkMode ? 'data-darkmode' : 'data-lightmode']"><nuxt-link to="/issues" id="nuxt-link" class="button" @click="goToChosenIssue(issue.primaryID)">{{ nameOfVariant }}</nuxt-link></pre>
                </div>
            </div>
            <div class="info">
                <div class="state-amount-price">
                    <div class="data-field" id="state">
                        <pre :class="['label', darkMode ? 'pre-darkmode' : 'pre-lightmode']">State:</pre>
                        <pre v-if="!editable"
                            :class="['data', darkMode ? 'data-darkmode' : 'data-lightmode']">{{ issueVariant.state }}</pre>
                        <input v-if="editable" v-model="issueVariant.state" @change="updateIssueVariant()"
                            :class="['data', 'input', darkMode ? 'data-darkmode' : 'data-lightmode']">

                    </div>
                    <div class="data-field" id="amount">
                        <pre :class="['label', darkMode ? 'pre-darkmode' : 'pre-lightmode']">Amount:</pre>
                        <pre v-if="!editable"
                            :class="['data', darkMode ? 'data-darkmode' : 'data-lightmode']">{{ issueVariant.amount }}</pre>
                        <input v-if="editable" v-model="issueVariant.amount" @change="updateIssueVariant()"
                            :class="['data', 'input', darkMode ? 'data-darkmode' : 'data-lightmode']">
                    </div>
                    <div class="data-field" id="price">
                        <pre :class="['label', darkMode ? 'pre-darkmode' : 'pre-lightmode']">Price:</pre>
                        <pre v-if="!editable"
                            :class="['data', darkMode ? 'data-darkmode' : 'data-lightmode']">{{ issueVariant.price }}</pre>
                        <input v-if="editable" v-model="issueVariant.price" @change="updateIssueVariant()"
                            :class="['data', 'input', darkMode ? 'data-darkmode' : 'data-lightmode']">
                    </div>
                </div>
            </div>
        </div>
        <div class="issue-variant-data">
            <div class="additional">
                <div class="properties">
                    <h3 :class="['area-title', darkMode ? 'h3-darkmode' : 'h3-lightmode']">Properties:</h3>
                    <input v-model="issueVariant.properties" :readonly="!editable" @change="updateIssueVariant()"
                        :class="['data', 'input', darkMode ? 'data-darkmode' : 'data-lightmode']" id="properties">
                </div>
            </div>
        </div>
    </section>
</template>

<script setup>
import { ref, onMounted, watch } from 'vue';
import Axios from '../axios.config.js';
import clientsideConfig from '../../clientsideConfig.js';
import { useStore } from 'vuex';
import { computed } from 'vue';

const store = useStore();
const editable = computed(() => store.state.editable);
const chosenIssueId = computed(() => store.state.chosenIssueId);
const chosenIssueVariantId = computed(() => store.state.chosenIssueVariantId);
const deleteBool = computed(() => store.state.deleteBool);

const darkMode = ref(true)
const issue = ref({});
const issueVariant = ref({});
const issueVariants = ref([]);
const nameOfVariant = ref('');

//get all issue variants
const getIssueVariants = async () => {
    try {
        const response = await Axios.get(`https://${clientsideConfig.url}:${clientsideConfig.port}/api/getAllIssueVariants`);
        issueVariants.value = response.data;
    } catch (err) {
        console.log(err.response.statusText);
    }
}

const goToChosenIssue = (id) => {
    store.commit('setChosenIssue', id);
    store.commit('changeToIssueItem');
};

const confirmDeleteIssueVariant = async () => {
    if (deleteBool.value === true) {
        if (confirm("Do you really want to delete this issue variant? It cannot be undone!")) {
            try {
                await Axios.delete(`https://${clientsideConfig.url}:${clientsideConfig.port}/api/deleteIssueVariant/${chosenIssueVariantId.value}`);
            } catch (err) {
                console.log(err.response.statusText);
            }
            store.commit('undoDelete');
            store.commit('resetStore');
            store.commit('changeToIssueItemList');
        } else {
            store.commit('undoDelete');
        }
    }
}

//update data
const updateIssueVariant = async () => {
    if (issueVariant.value.name.trim() === "") {
        alert("Please add an issue variant name!");
        return;
    } else {
        var counter = 0;
        // check if the issue variant name already exists
        issueVariants.value.forEach(i => {
            if (i.name === issueVariant.value.name) {
                counter += 1;
            }
        });
        if (counter == 2) {
            alert("This issue variant name already exists. Please choose an unique issue variant name or modify respectively delete the old one!");
            issueVariant.value.name = '';
            return;
        }
        try {
            await Axios.put(
                `https://${clientsideConfig.url}:${clientsideConfig.port}/api/updateIssueVariant`,
                {
                    primaryID: issueVariant.value.primaryID,
                    issueID: issueVariant.value.issueID,
                    name: issueVariant.value.name,
                    state: issueVariant.value.state,
                    amount: issueVariant.value.amount,
                    properties: issueVariant.value.properties,
                    price: issueVariant.value.price,
                }
            )
            await getIssueVariantById();
        } catch (err) {
            console.log(err.response.statusText);
        }
    }
}

// include delay to avoid 503 error
const triggerBackendCallsWithDelay = async (fetchDataFunc) => {
    setTimeout(() => {
        fetchDataFunc();
    }, 1500);
}

// get issue variant from id
const getIssueVariantById = async () => {
    try {
        const response = await Axios.get(
            `https://${clientsideConfig.url}:${clientsideConfig.port}/api/getIssueVariant/${chosenIssueVariantId.value}`
        );
        issueVariant.value = response.data;
    } catch (err) {
        console.log(err.response.statusText);
    }
}

// get issue from id
const getIssueById = async () => {
    try {
        const response = await Axios.get(
            `https://${clientsideConfig.url}:${clientsideConfig.port}/api/getIssueItem/${chosenIssueId.value}`
        );
        issue.value = response.data;
        nameOfVariant.value = issue.value.name;
    } catch (err) {
        console.log(err.response.statusText);
    }
}

watch(deleteBool, confirmDeleteIssueVariant);

onMounted(() => {
    getIssueVariantById();
    getIssueById();
    triggerBackendCallsWithDelay(getIssueVariants);
});

</script>

<script>
export default {
    name: "IssueVariant",
};
</script>



<style scoped>
.information {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    padding: 1.25rem 1.875rem;
    border-radius: 0.625rem;
    box-shadow: 0.25rem 0.25rem 0.25rem 0rem rgba(0, 0, 0, 0.25);
}

.section-darkmode {
    background-color: #2c2c2c;
}

.section-lightmode {
    background-color: #fff;
}

.issue-variant-name {
    align-self: stretch;
    padding: 1rem 0;
    letter-spacing: 5%;
    text-decoration-line: underline;
    font: italic 400 1rem/187.5% Overpass, -apple-system, Roboto, Helvetica,
        sans-serif;
}

.h2-darkmode {
    color: #fff;
}

.h2-lightmode {
    color: #000;
}

.data-field {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    padding: 0.8rem 1.875rem;
    gap: 1.25rem;
    border-radius: 0.625rem;
}

.data-field#street-name {
    width: 70%;
}

.data-field#street-no {
    width: 30%;
}

.label {
    letter-spacing: 5%;
    font: 400 0.875rem/1.875rem Overpass, sans-serif;
}

.pre-darkmode {
    color: #fff;
}

.pre-lightmode {
    color: #000;
}

.data {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    padding: 0 0.625rem;
    border-radius: 0.3125rem;
    box-shadow: 0.0625rem 0.0625rem 0.25rem 0rem rgba(0, 0, 0, 0.25) inset;
    letter-spacing: 5%;
    font: 400 0.75rem/250% Overpass, sans-serif;
}

.data-darkmode {
    background-color: #212121;
    color: #fff;
}

.data-lightmode {
    background-color: #EBEBEB;
    color: #000;
}

.issue-variant-data {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    align-self: stretch;
}

.variantOf {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    line-height: normal;
    width: 30%;
    padding: 0 0;
    border-radius: 0.3125rem;
}

.info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    line-height: normal;
    width: 70%;
    padding: 0 0;
    border-radius: 0.3125rem;
}

.issue-name-input {
    margin: 1rem;
    letter-spacing: 5%;
    text-decoration-line: underline;
}

.h2-input-darkmode {
    background-color: #212121;
}

.h2-input-lightmode {
    background-color: #EBEBEB;
}

.input {
    border: none;
}

.additional {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    line-height: normal;
    width: 100%;
    padding: 0rem 0.625rem;
    border-radius: 0.3125rem;
}

.area-title {
    letter-spacing: 5%;
    font: 400 0.875rem/1.875rem Overpass, sans-serif;
}

.h3-darkmode {
    color: #fff;
}

.h3-lightmode {
    color: #000;
}

.state-amount-price {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    align-self: stretch;
    padding: 0 1.875rem 0 0;
    gap: 0.625rem;
}

.data#properties {
    align-self: stretch;
}

.properties {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    align-self: stretch;
    padding: 0.625rem 1.875rem 0.625rem 1.25rem;
    padding-top: 0rem;
}

#nuxt-link {
    text-decoration: none;
    color: white;
}
</style>