@{
    ViewData["Title"] = "Item Form";
    Layout = "~/Views/Shared/_Layout.cshtml";

}

<div id="registerItem">
    <form v-on:submit.prevent="addItem" data-aos="fade-right">
            
        <div class="container register" data-aos="fade-right">
            <div class="row" data-aos="fade-right">
                @*Left Side*@
                <div class="col-md-3 register-left">
                    <img src="https://media.licdn.com/dms/image/C4E03AQEJ_X-GwTi3xg/profile-displayphoto-shrink_200_200/0/1607307680517?e=2147483647&v=beta&t=UL8IX1nO9iqRxGrQrNZ1O_i4tpjnOVVecIktw-GB6QI" alt="" />
                    <h3>Welcome</h3>
                    <p>Registration Product! Click button to go Product Page</p>
                    <a href="@Url.Action("Product", "Home")" class="btn btn-primary">Product Registration</a><br />
                </div>
                    
                @*Right Side*@
                <div class="col-md-9 register-right">
                    <div class="tab-content" id="myTabContent">
                        <div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">
                            <h3 class="register-heading">REGISTRATION ITEM</h3>
                            <div class="row register-form">
                                <div class="col-md-6">

                                    <!-- Company Dropdown -->
                                    <div class="form-group row">
                                        <label class="col-sm-3 col-form-label">Company:</label>
                                        <div class="col-sm-9">
                                            <div class="dropdown">
                                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
                                                    <span id="updateCompany">{{ company || 'Select Company' }}</span>
                                                </button>
                                                <div class="dropdown-menu p-3">
                                                    <div v-for="(comp, index) in companies" :key="index" class="form-check">
                                                        <input class="form-check-input" type="radio" :id="'company-' + index" :value="comp.Name" name="company" v-model="company" v-on:change="updateDepts(comp.Departments)">
                                                        <label class="form-check-label" :for="'company-' + index">{{ comp.Name }}</label>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>

                                    <!-- Department Dropdown -->
                                    <div class="form-group row">
                                        <label class="col-sm-3 col-form-label">Department:</label>
                                        <div class="col-sm-9">
                                            <div class="dropdown">
                                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
                                                    <span id="updateDept">{{ Dept || 'Select Dept/Div' }}</span>
                                                </button>
                                                <div class="dropdown-menu p-3">
                                                    <div v-for="(dept, index) in depts" :key="index" class="form-check">
                                                        <input class="form-check-input" type="radio" :id="'Dept-' + index" :value="dept" name="Dept" v-model="Dept">
                                                        <label class="form-check-label" :for="'Dept-' + index">{{ dept }}</label>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>


                                    @* Product Name Coding *@
                                    <div class="form-group row">
                                        <label class="col-sm-3 col-form-label">Product Name:</label>
                                        <div class="col-sm-9">
                                            <div class="dropdown">
                                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
                                                    <span id="updateName">{{ productName || 'Select Product Name' }}</span>
                                                </button>
                                                <div class="dropdown-menu p-3">
                                                    <div class="form-check" v-for="product in products" :key="product.modelNo">
                                                        <!-- Use modelNo as the key -->
                                                        <input class="form-check-input" type="radio" :id="product.modelNo" :value="product.modelNo"
                                                                v-on:click="updateProduct(product)" v-model="selectedProduct">
                                                        <label class="form-check-label" :for="product.modelNo">{{ product.productName }}</label>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>

                                    @* Product Image Display *@
                                    <div class="form-group row align-items-center">
                                        <label for="imageProduct" class="col-sm-3 col-form-label">Product Image: </label>
                                        <div class="col-sm-9">
                                            <img v-if="imageProduct" :src="'data:image/png;base64,' + imageProduct" alt="Product Image" class="img-fluid" v-on:click="openModal" />
                                            <input type="hidden" id="imageProduct" name="imageProduct" v-model="imageProduct">
                                        </div>
                                    </div>


                                    <div v-if="isModalOpen" class="modal" v-on:click="closeModal">
                                        <div class="modal-content" v-on:click.stop>
                                            <span class="close" v-on:click="closeModal">&times;</span>
                                            <img :src="'data:image/png;base64,' + imageProduct" alt="Product Image" class="enlarged-image" />
                                        </div>
                                    </div>

                                    @* Product Category Coding *@
                                    <div class="form-group row">
                                        <label class="col-sm-3 col-form-label">Product Category:</label>
                                        <div class="col-sm-9">
                                            <div class="dropdown">
                                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
                                                    <span id="updateProductCategory">{{ productCategory || 'Select Product' }}</span>
                                                </button>
                                                <div class="dropdown-menu p-3">
                                                    <div class="form-check">
                                                        <input class="form-check-input" type="radio" name="productCategory" id="item" value="Item" v-on:click="updateProductCategory('Item')" v-model="productCategory">
                                                        <label class="form-check-label" for="item">Item</label>
                                                    </div>
                                                    <div class="form-check">
                                                        <input class="form-check-input" type="radio" name="productCategory" id="part" value="Part" v-on:click="updateProductCategory('Part')" v-model="productCategory">
                                                        <label class="form-check-label" for="part">Part</label>
                                                    </div>
                                                    <div class="form-check">
                                                        <input class="form-check-input" type="radio" name="productCategory" id="disposable" value="Disposable" v-on:click="updateProductCategory('Disposable')" v-model="productCategory">
                                                        <label class="form-check-label" for="disposable">Disposable</label>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>

                                    @* Serial Number and Quantity Coding *@
                                    <div v-if="showSerialNumber">
                                        <div class="form-group row align-items-center">
                                            <div class="col-sm-3">
                                                <label for="serialNumber">Serial Number: </label>
                                            </div>
                                            <div class="col-sm-9">
                                                <input type="text" id="serialNumber" name="serialNumber" v-if="showSerialNumber" v-model="serialNumber" class="form-control">
                                            </div>
                                        </div>
                                    </div>

                                    <div v-if="!showSerialNumber">
                                        <div class="form-group row align-items-center">
                                            <div class="col-sm-3">
                                                <label for="quantity">Quantity: </label>
                                            </div>
                                            <div class="col-sm-9">
                                                <input type="number" id="quantity" name="quantity" v-if="!showSerialNumber" v-model="quantity" class="form-control">
                                            </div>
                                        </div>
                                    </div>
                                    @* Supplier coding *@
                                    <div class="form-group row align-items-center">
                                        <label class="col-sm-3 col-form-label">Supplier: </label>
                                        <div class="col-sm-9">
                                            <div class="dropdown">
                                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
                                                    <span id="updateSupplierName">{{ supplierName || 'Select Supplier' }}</span>
                                                </button>
                                                <div class="dropdown-menu p-3">
                                                    <div class="form-check" v-for="supplier in supplies" :key="supplier.modelNoes">
                                                        <input class="form-check-input" type="radio" :id="supplier.modelNoes" :value="supplier.supplierName" v-on:click="updateSupplier(supplier)" v-model="selectedSupplier">
                                                        <label class="form-check-label" :for="supplier.modelNoes">{{ supplier.supplierName }}</label>
                                                    </div>@* 
                                                    <div class="form-check">
                                                        <input class="form-check-input" type="radio" name="Supplier" id="otherS" v-on:click="toggleOtherInput('Supplier')">
                                                        <label class="form-check-label" for="otherS">Other:</label>
                                                    </div>
                                                    <div v-if="showOtherSupplier">
                                                        <input type="text" class="form-control" id="otherSupplier" name="Supplier" placeholder="Your Supplier Name" v-model="Supplier">
                                                    </div> *@
                                                </div>
                                            </div>
                                        </div>
                                    </div>

                                    @* Purchase Date coding *@
                                    <div class="form-group row align-items-center">
                                        <label for="purchaseDate" class="col-sm-3 col-form-label">Purchase Date: </label>
                                        <div class="col-sm-9">
                                            <input type="date" id="purchaseDate" name="purchaseDate" required v-model="purchaseDate" class="form-control">
                                        </div>
                                    </div>

                                    @* PO coding *@
                                    <div class="form-group row align-items-center">
                                        <label for="PO" class="col-sm-3 col-form-label">Enter PO: </label>
                                        <div class="col-sm-9">
                                            <input type="text" id="PO" name="PO" required v-model="PO" placeholder="PO123456" class="form-control">
                                        </div>
                                    </div>
                                </div>

                                <div class="col-md-6">
                                    @* Item Price in RM *@
                                    <div class="form-group row">
                                        <label for="priceInRM" class="col-sm-3">Item Price In(RM):</label>
                                        <div class="col-sm-9">
                                            <input type="number" id="priceInRM" name="priceInRM" class="form-control" placeholder="RM 00.00" step="0.01" v-on:input="convertCurrency()" required v-model="priceInRM">
                                        </div>
                                    </div>

                                    @* Currency Selection *@
                                    <div class="form-group row">
                                        <label for="currency" class="col-sm-3">Select Currency:</label>
                                        <div class="col-sm-9">
                                            <select id="currency" name="currency" class="form-control" v-model="currency" v-on:change="convertCurrency()">
                                                <option value="" disabled selected>Select a currency</option>
                                                <option v-for="(name, code) in currencies" :key="code" :value="code">
                                                    {{ code }} - {{ name }}
                                                </option>
                                            </select>
                                        </div>
                                    </div>

                                    @* Currency Rate *@
                                    <div class="form-group row">
                                        <label for="currencyRate" class="col-sm-3">Currency Rate(%):</label>
                                        <div class="col-sm-9">
                                            <input type="number" id="currencyRate" name="currencyRate" class="form-control" placeholder="0.01%" step="0.01" v-on:input="convertCurrency()" required v-model="currencyRate">
                                        </div>
                                    </div>

                                    @* Item Convert Price *@
                                    <div class="form-group row">
                                        <label for="convertPrice" class="col-sm-3">{{ currency ? 'Item Price (' + currency + ') : ' : 'Item Price : ' }}</label>
                                        <div class="col-sm-9">
                                            <input type="number" id="convertPrice" name="convertPrice" class="form-control" readonly v-model="convertPrice">
                                        </div>
                                    </div>

                                    @* Delivery Order Date *@
                                    <div class="form-group row">
                                        <label for="DODate" class="col-sm-3">Enter DO Date:</label>
                                        <div class="col-sm-9">
                                            <input type="date" id="DODate" name="DODate" class="form-control" v-on:input="calculateWarrantyEndDate()" required v-model="DODate">
                                        </div>
                                    </div>

                                    @* Warranty *@
                                    <div class="form-group row">
                                        <label for="warranty" class="col-sm-3">Enter Warranty Months(Number):</label>
                                        <div class="col-sm-9">
                                            <input type="number" id="warranty" name="warranty" class="form-control" placeholder="0 , 1 , 2 , 3, ..." step="1" min="0" v-on:input="calculateWarrantyEndDate()" required v-model="warranty">
                                        </div>
                                    </div>

                                    @* Warranty End Date *@
                                    <div class="form-group row">
                                        <label for="EndWDate" class="col-sm-3">Warranty End:</label>
                                        <div class="col-sm-9">
                                            <input type="date" id="EndWDate" name="EndWDate" class="form-control" readonly v-model="EndWDate">
                                        </div>
                                    </div>

                                    @* Invoice Date *@
                                    <div class="form-group row">
                                        <label for="invoiceDate" class="col-sm-3">Invoice Date:</label>
                                        <div class="col-sm-9">
                                            <input type="date" id="invoiceDate" name="invoiceDate" class="form-control" required v-model="invoiceDate">
                                        </div>
                                    </div>

                                </div>

                                @* Submit and Reset Buttons *@
                                <div class="form-group row">
                                    <div class="col-sm-9 offset-sm-3">
                                        <button type="button" v-on:click="resetForm" class="btn btn-secondary">Reset</button>
                                        <input type="submit" class="btn btn-primary" value="Submit" />
                                    </div>
                                </div>

                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </form>
</div>

@*Vue Js - POST & RESET*@
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<script>
    new Vue({
        el: '#registerItem',
        data() {
            return {
                company: null,
                Dept: null,
                productName: null,
                imageProduct: null,
                productCategory: null,
                serialNumber: '',
                quantity: 0,
                supplierName: null,
                purchaseDate: null,
                PO: null,
                currency: null,
                priceInRM: null,
                currencyRate: null,
                convertPrice: null,
                DODate: null,
                warranty: null,
                EndWDate: null,
                invoiceDate: null,
                products: [],
                companies: [],
                depts: [],
                supplies: [],
                showOtherCompany: false,
                showOtherDept: false,
                showOtherSupplier: false,
                isModalOpen: false,
                selectedProduct: null,
                selectedSupplier: null,
                selectedCompany: null,
                selectedDepartment: null,
                currencies: {},
            }
        },
        mounted() {// Log the token to check its value

            // Fetch companies, depts, and products from the API
            this.fetchCurrencyData();
            this.fetchCompanies();
            this.fetchProducts();
            this.fetchSupplies();
        },
        computed: {
            showSerialNumber() {
                return this.productCategory === 'Item' || this.productCategory === 'Part';
            }
        },
        methods: {
            async addItem() {
                const formData = {
                    company: this.showOtherCompany ? this.selectedCompany : this.company,
                    Dept: this.showOtherDept ? this.Dept : this.Dept,
                    productName: this.productName,
                    imageProduct: this.imageProduct,
                    productCategory: this.productCategory,
                    serialNumber: this.serialNumber,
                    quantity: this.quantity,
                    supplierName: this.supplierName,
                    purchaseDate: this.purchaseDate,
                    PO: this.PO,
                    currency: this.currency,
                    priceInRM: this.priceInRM,
                    currencyRate: this.currencyRate,
                    convertPrice: this.convertPrice,
                    DODate: this.DODate,
                    warranty: this.warranty,
                    EndWDate: this.EndWDate,
                    invoiceDate: this.invoiceDate
                };

                try {
                    // List of required fields (excluding serialNumber based on showSerialNumber)
                    const requiredFields = ['company', 'Dept', 'productCategory', 'productName', 'quantity', 'supplierName', 'purchaseDate', 'PO', 'currency', 'priceInRM', 'currencyRate', 'convertPrice', 'DODate', 'warranty', 'EndWDate', 'invoiceDate'];

                    // Loop through required fields and check if any are null or empty
                    for (let field of requiredFields) {
                        if (this[field] === null || this[field] === '') {
                            swal(`${field} Error`, `Please fill in required fields: ${field}.`, 'warning');
                            return; // Exit early if validation fails
                        }
                    }

                    // Additional specific checks
                    if (this.showSerialNumber) {
                        this.quantity = 0;
                        if (this.serialNumber === null || this.serialNumber === '') {
                            swal('Serial Number Error', 'Serial Number must be filled when selecting Item or Part.', 'warning');
                            return;
                        }
                    }
                    else {
                        this.serialNumber = null;
                        if (this.quantity === 0 || this.quantity === null || this.quantity === '') {
                            swal('quantity Error', 'Quantity is required when selecting Disposable.', 'warning');
                            return;
                        }
                    }

                    // Proceed to send the data to the API
                    const response = await fetch('/api/Item', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/json',
                            'Authorization': `Bearer ${this.token}`
                        },
                        body: JSON.stringify(formData)
                    });
                    if (response.ok) {
                        // If the form submission was successful, display a success message
                        swal('Success!', 'Item form has been successfully submitted.', 'success');

                        // Reset the form
                        this.resetForm();
                    } else {
                        throw new Error('Failed to submit form.');
                    }

                } catch (error) {
                    console.error('Error:', error);

                    // Displaying error message
                    swal('Inventory PSTW Error', `An error occurred: ${error.message}`, 'error');
                }

            },

            async fetchProducts() {
                try {
                    const token = localStorage.getItem('token'); // Get the token from localStorage
                    const response = await fetch('/api/Product/GetProducts', {
                        method: 'GET', // Specify the HTTP method
                        headers: {
                            'Content-Type': 'application/json', // Set content type
                            'Authorization': `Bearer ${token}` // Include the token in the headers
                        }
                    });

                    if (!response.ok) {
                        throw new Error('Failed to fetch products');
                    }

                    this.products = await response.json(); 
                } catch (error) {
                    console.error('Error fetching products:', error);
                }
            },

            async fetchCompanies() {
                try {
                    const response = await fetch('/api/Item/GetCompanies', {
                        method: 'GET', // Specify the HTTP method
                        headers: {
                            'Content-Type': 'application/json'
                        }
                    });
                    if (!response.ok) {
                        throw new Error('Failed to fetch companies');
                    }

                    this.companies = await response.json();

                } catch (error) {
                    console.error('Error fetching products:', error);
                }
            },

            async fetchSupplies() {
                try {
                    const response = await fetch('/api/Item/GetSupplies', {
                        method: 'GET', // Specify the HTTP method
                        headers: {
                            'Content-Type': 'application/json'
                        }
                    });
                    if (!response.ok) {
                        throw new Error('Failed to fetch supplies');
                    }
                    this.supplies = await response.json(); // Get the full response object

                } catch (error) {
                    console.error('Error fetching supplies:', error);
                }
            },
            async fetchCurrencyData() {
                try {
                    // Fetch currency data from the API
                    const response = await fetch('https://openexchangerates.org/api/currencies.json'); // Example API
                    this.currencies = await response.json();
                } catch (error) {
                    console.error('Error fetching currency data:', error);
                }
            },
            convertCurrency() {
                // Your currency conversion logic here
                console.log('Selected currency:', this.currency);
            },
            resetForm() {
                this.company = null;
                this.Dept = null;
                this.productName = null;
                this.imageProduct = null;
                this.productCategory = null;
                this.serialNumber = '';
                this.quantity = 0;
                this.supplierName = null;
                this.purchaseDate = null;
                this.PO = null;
                this.currency = null;
                this.priceInRM = null;
                this.currencyRate = null;
                this.convertPrice = null;
                this.DODate = null;
                this.warranty = null;
                this.EndWDate = null;
                this.invoiceDate = null;
                this.showOtherCompany = false;
                this.showOtherDept = false;
                this.showOtherSupplier = false;
                this.selectedCompany = null;
                this.selectedSupplier = null;
            },

            // FRONT END FUNCTIONS
            //----------------------//
            //Calculate Total Price
            convertCurrency() {
                const total = this.priceInRM / this.currencyRate;
                this.convertPrice = total.toFixed(2);
                this.priceInRM = this.priceInRM
                    .replace(/[^0-9.]/g, '') // Remove non-numeric characters except decimal points
                    .replace(/(\..*)\..*/g, '$1') // Allow only one decimal point
                    .replace(/^(\d*\.\d{0,2})\d*$/, '$1'); // Limit to two decimal places

            }, 

            openModal() {
                this.isModalOpen = true; // Open the modal
            },
            closeModal() {
                this.isModalOpen = false; // Close the modal
            },

            calculateWarrantyEndDate() {
                // Check if DODate and warranty are valid
                if (!this.DODate || isNaN(Date.parse(this.DODate))) {
                    this.EndWDate = null;
                    return;
                }

                const DODates = new Date(this.DODate);
                const warrantyMonth = parseInt(this.warranty);

                // Ensure warranty is a valid number
                if (!isNaN(warrantyMonth)) {
                    DODates.setMonth(DODates.getMonth() + warrantyMonth);
                    this.EndWDate = DODates.toISOString().split('T')[0];
                } else {
                    this.EndWDate = null;
                }
            },

            //Update Select View
            updateCompany(company) {
                this.company = company.Name; // Only set the company name
                this.depts = company.Departments || []; // Populate depts based on selected company
                this.Dept = null; // Reset the selected department
                this.showOtherCompany = false; // Hide other company input if needed
            },
            updateDepts(departments) {
                this.depts = departments || []; // Populate depts for the selected company
                this.Dept = null; // Reset the selected department
            },
            updateDept(dept) {
                this.Dept = dept;
                this.showOtherDept = false;
            },
            updateProductCategory(productCategory) {
                this.productCategory = productCategory;
            },
            updateProduct(selectedProduct) {
                this.productName = selectedProduct.productName;
                this.imageProduct = selectedProduct.imageProduct;
                this.selectedProduct = selectedProduct.modelNo;
            },
            updateSupplier(selectedSupplier) {
                this.supplierName = selectedSupplier.supplierName;
                this.selectedSupplier = selectedSupplier.supplierName;

            },

            //User Press button Other
            toggleOtherInput(type) {
                if (type === 'company') {
                    this.showOtherCompany = true;
                    this.selectedCompany = null; // Clear company selection when "Other" is chosen
                    this.company = null;
                }
                else if (type === 'Dept') {
                    this.showOtherDept = true;
                    this.Dept = null; // Clear department selection when "Other" is chosen
                }
                else if (type === 'Supplier') {
                    this.supplierName = null; // Clear supplier selection when "Other" is chosen
                }
            },
        },
    });
</script>