import { createElement } from "../lib/skeleton/index.js";
import { safe } from "../lib/dom.js";
import { gid } from "../lib/random.js";

export function formTmpl(withAutocomplete) {
    return {
        renderNode: ({ label }) => {
            return createElement(`
                <fieldset>
                    <legend class="no-select">${format(label)}</legend>
                </fieldset>
            `);
        },
        renderLeaf: ({ label }) => {
            return createElement(`
                <label>
                    ${format(label)}
                </label>
            `);
        },
        renderInput: $renderInput,
        formatLabel: format,
    };
};

export async function $renderInput(props) {
    const {
        id = null,
        type,
        value = null,
        placeholder = "",
        required = false,
        readonly = false,
        path = [],
        autocomplete = false,
        datalist = null,
        options = null,
    } = props
    let attr = `name="${path.join(".")}" `;
    if (value) attr += `value="${value}" `;
    if (id) attr += `id=${id} `;
    if (placeholder) attr += `placeholder=${placeholder} `;
    if (!autocomplete) attr += `autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="off" `;
    if (required) attr += "required ";
    if (readonly) attr += "readonly ";

    switch(type) {
    case "text": // TODO
        const dataListId = gid("list_");
        const $input = createElement(`
            <input ${safe(attr)}
                type="text"
                class="component_input"
            />
        `);
        if (!datalist) return $input;
        const $wrapper = window.document.createElement("span");
        const $datalist = window.document.createElement("datalist")
        $wrapper.appendChild($input);
        $datalist.setAttribute("id", dataListId);
        // const filtered = function(multi, datalist, currentValue) {
        //     if (multi !== true || currentValue == null) return datalist;
        //     return autocomplete(
        //         currentValue
        //             .split(",")
        //             .map((t) => t.trim())
        //             .filter((t) => t),
        //         datalist,
        //     );
        // };
        // fitlered()
        return $wrapper;
    case "number":
        return createElement(`
            <input
                ${safe(attr)}
                type="number"
                class="component_input"
            />
        `);
    case "password":
        // TODO: click eye
        return createElement(`
             <div class="formbuilder_password">
                 <input
                     ${safe(attr)}
                     type="password"
                     class="component_input"
                 />
             </div>
        `);
    // case "long_password":
    //     // TODO
    // case "long_text":
    //     return // TODO
    // case "bcrypt": import("./bcrypt.js")
    //     // TODO
    case "hidden":
        return createElement(`
            <input
                type="hidden" value=${safe(value)}
                name="${safe(path.join("."))}"
            />
        `);
    case "boolean":
        return createElement(`
            <div class="component_checkbox">
                <input ${safe(attr)} type="checkbox" />
                <span className="indicator"></span>
            </div>
        `);
    case "select":
        const renderOption = (name) => `<option name="${safe(name)}">${safe(name)}</option>`;
        return createElement(`
            <select class="component_select" ${safe(attr)}>
                ${(options || []).map(renderOption)}
            </select>
        `);       
    case "date":
        return createElement(`
            <input
                ${safe(attr)}
                type="date"
                class="component_input"
            />
        `);
    case "datetime":
        return createElement(`
            <input
                ${safe(attr)}
                type="datetime-local"
                class="component_input"
            />
        `);
    case "image":
        return createElement(` <img id="${safe(id)}" src="${save(value)}" />`);
    // case "file":
    //     return createElement() // TODO
    default:
        return createElement(`
            <input
                value="unknown element type ${type}"
                type="text"
                class="component_input"
                path="${safe(path.join("."))}"
                readonly
            />
        `);
    }
}

export function format(name) {
    if (typeof name !== "string") {
        return "N/A";
    }
    return name
        .split("_")
        .map((word) => {
            if (word.length < 1) {
                return word;
            }
            return word[0].toUpperCase() + word.substring(1);
        })
        .join(" ");
};