import { Dropdown, createElement, createCheckbox, createPopup, showAlert } from "../../ui";
import { isEmail, nullOrEmpty, r } from "../../utility";

class Contact {
    #option;
    #refs;

    constructor(option = {}) {
        this.#option = option;
    }

    async show(parent = document.body) {
        const tabIndex = Math.max.apply(null, [...document.querySelectorAll('[tabindex]')].map(e => e.tabIndex ?? 0)) + 3;

        const c = this.#option.contact;
        const contactName = createElement('input', input => {
            input.type = 'text';
            input.className = 'ui-input';
            input.tabIndex = tabIndex + 1;
            input.maxLength = 200;
            input.autocomplete = 'off';
        });
        const preferences = new Dropdown({ tabindex: tabIndex + 2 });
        preferences.source = [
            { value: '0', text: r('text', 'Text') },
            { value: '1', text: r('email', 'Email') },
            { value: '2', text: r('phone', 'Phone') }
        ];
        const contactEmail = createElement('input', input => {
            input.type = 'email';
            input.className = 'ui-input';
            input.tabIndex = tabIndex + 3;
            input.maxLength = 100;
            input.autocomplete = 'off';
        });
        const contactMobile = createElement('input', input => {
            input.type = 'tel';
            input.className = 'ui-input';
            input.tabIndex = tabIndex + 4;
            input.maxLength = 50;
            input.autocomplete = 'off';
        });
        const checkOpt = createCheckbox({ tabindex: tabIndex + 5 });
        const contactNotes = createElement('textarea', txt => {
            txt.className = 'ui-text';
            txt.tabIndex = tabIndex + 6;
            txt.maxLength = 2000;
            txt.style.height = '100px';
        });
        const buttons = [];
        if (this.#option.company) {
            buttons.push({
                text: c == null ? r('addContactRecord', 'Add Contact Record') : r('editContactRecord', 'Edit Contact Record'),
                // tabindex: tabIndex + 7,
                trigger: () => {
                    const item = this.prepare();
                    if (item == null) {
                        return false;
                    }
                    item.SaveToCustomer = 1;
                    if (typeof this.#option.onSave === 'function') {
                        return this.#option.onSave.call(this, item, 'customerrecord');
                    }
                }
            });
        }
        buttons.push(
            {
                text: r('workOrderOnly', 'Work Order Only'),
                // tabindex: tabIndex + 8,
                trigger: () => {
                    const item = this.prepare();
                    if (item == null) {
                        return false;
                    }
                    item.Id = -1;
                    item.SaveToCustomer = 0;
                    if (typeof this.#option.onSave === 'function') {
                        return this.#option.onSave.call(this, item, 'workorder');
                    }
                }
            },
            {
                text: r('cancel', 'Cancel'),
                // tabindex: tabIndex + 9
            }
        );
        const popup = createPopup(
            c == null ? r('addContact', 'Add Contact') : r('editContact', 'Edit Contact'),
            createElement('div', wrapper => {
                wrapper.className = 'setting-wrapper';
                wrapper.style.width = '500px';
            },
                createElement('div', 'setting-item',
                    createElement('span', 'setting-label setting-required', r('contactNameColon', 'Contact Name:')),
                    contactName
                ),
                createElement('div', 'setting-item',
                    createElement('span', 'setting-label', r('contactPreferencesColon', 'Contact Preferences:')),
                    preferences.create()
                ),
                createElement('div', 'setting-item',
                    createElement('span', 'setting-label', r('contactEmailColon', 'Email Address:')),
                    contactEmail
                ),
                createElement('div', 'setting-item',
                    createElement('span', 'setting-label', r('contactMobileColon', 'Mobile:')),
                    contactMobile
                ),
                createElement('div', 'setting-item',
                    createElement('span', 'setting-label', r('contactOptColon', 'Opt Out:')),
                    checkOpt
                ),
                createElement('div', 'setting-item',
                    createElement('span', 'setting-label', r('contactNotesColon', 'Notes:')),
                    contactNotes
                )
            ),
            ...buttons
        )
        if (c != null) {
            contactName.value = c.Name;
            preferences.select(String(c.ContactPreference));
            contactEmail.value = c.Email;
            contactMobile.value = c.MobilePhone;
            checkOpt.querySelector('input').checked = c.OptOut;
            contactNotes.value = c.Notes;
        } else {
            preferences.select('0');
        }
        this.#refs = {
            contactName,
            preferences,
            contactEmail,
            contactMobile,
            checkOpt,
            contactNotes
        };
        const result = await popup.show(parent);
        setTimeout(() => contactName.focus());
        return result;
    }

    prepare() {
        const name = this.#refs.contactName.value;
        const pref = this.#refs.preferences.selected.value;
        const email = this.#refs.contactEmail.value;
        const phone = this.#refs.contactMobile.value;
        const opt = this.#refs.checkOpt.querySelector('input').checked;
        const notes = this.#refs.contactNotes.value;
        const title = this.#option.contact == null ? r('addContact', 'Add Contact') : r('editContact', 'Edit Contact');
        if (nullOrEmpty(name)) {
            showAlert(title, r('contactNameRequired', 'Contact Name cannot be empty.'), 'warn')
                .then(() => this.#refs.contactName.focus());
            return null;
        }
        if (nullOrEmpty(email) && nullOrEmpty(phone)) {
            showAlert(title, r('contactEmailPhoneRequired', 'Email and Mobile Phone cannot both be empty.'), 'warn')
                .then(() => nullOrEmpty(email) ?
                    this.#refs.contactEmail.focus() :
                    this.#refs.contactMobile.focus());
            return null;
        }
        if (!nullOrEmpty(email) && !isEmail(email)) {
            showAlert(title, r('contactEmailInvalid', 'The email address is invalid.'), 'warn')
                .then(() => this.#refs.contactEmail.focus());
            return null;
        }

        let contact = this.#option.contact;
        if (contact == null) {
            contact = {};
        } else if (contact.OptOut !== opt) {
            if (opt !== false || contact.OptOut_BC === false) {
                contact.selected = !opt;
            }
        }
        contact.Name = name;
        contact.ContactPreference = pref;
        contact.Email = email;
        contact.MobilePhone = phone;
        contact.OptOut = opt;
        contact.Notes = notes;
        return contact;
    }
}

export default Contact;