/**
MIT License

Copyright(c) 2023 Manuel Kaufmann

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
    in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */

const themeFlyoutDisplay = "attached";
const themeVersionSelector = true;
const themeLanguageSelector = true;

if (themeFlyoutDisplay === "attached") {
    function renderLanguages(config) {
        if (!config.projects.translations.length) {
            return "";
        }

        // Insert the current language to the options on the selector
        let languages = config.projects.translations.concat(config.projects.current);
        languages = languages.sort((a, b) => a.language.name.localeCompare(b.language.name));

        const languagesHTML = `
      <dl>
        <dt>Languages</dt>
        ${languages
                .map(
                    (translation) => `
        <dd ${translation.slug == config.projects.current.slug ? 'class="rtd-current-item"' : ""}>
          <a href="${translation.urls.documentation}">${translation.language.code}</a>
        </dd>
        `,
                )
                .join("\n")}
      </dl>
    `;
        return languagesHTML;
    }

    function renderVersions(config) {
        if (!config.versions.active.length) {
            return "";
        }
        const versionsHTML = `
      <dl>
        <dt>Versions</dt>
        ${config.versions.active
                .map(
                    (version) => `
        <dd ${version.slug === config.versions.current.slug ? 'class="rtd-current-item"' : ""}>
          <a href="${window.location.pathname.replace(config.versions.current.slug, version.slug)}">${version.slug}</a>
        </dd>
        `,
                )
                .join("\n")}
      </dl>
    `;
        return versionsHTML;
    }

    function renderDownloads(config) {
        if (!Object.keys(config.versions.current.downloads).length) {
            return "";
        }
        const downloadsNameDisplay = {
            pdf: "PDF",
            epub: "Epub",
            htmlzip: "HTML",
        };

        const downloadsHTML = `
      <dl>
        <dt>Downloads</dt>
        ${Object.entries(config.versions.current.downloads)
                .map(
                    ([name, url]) => `
          <dd>
            <a href="${url}">${downloadsNameDisplay[name]}</a>
          </dd>
        `,
                )
                .join("\n")}
      </dl>
    `;
        return downloadsHTML;
    }

    document.addEventListener("readthedocs-addons-data-ready", function (event) {
        const config = event.detail.data();

        const flyout = `
      <div class="rst-versions" data-toggle="rst-versions" role="note">
        <span class="rst-current-version" data-toggle="rst-current-version">
          <span class="fa fa-book"> Read the Docs</span>
          v: ${config.versions.current.slug}
          <span class="fa fa-caret-down"></span>
        </span>
        <div class="rst-other-versions">
          <div class="injected">
            ${renderLanguages(config)}
            ${renderVersions(config)}
            ${renderDownloads(config)}
            <dl>
              <dt>On Read the Docs</dt>
              <dd>
                <a href="${config.projects.current.urls.home}">Project Home</a>
              </dd>
              <dd>
                <a href="${config.projects.current.urls.builds}">Builds</a>
              </dd>
              <dd>
                <a href="${config.projects.current.urls.downloads}">Downloads</a>
              </dd>
            </dl>
            <dl>
              <dt>Search</dt>
              <dd>
                <form id="flyout-search-form">
                  <input
                    class="wy-form"
                    type="text"
                    name="q"
                    aria-label="Search docs"
                    placeholder="Search docs"
                    />
                </form>
              </dd>
            </dl>
            <hr />
            <small>
              <span>Hosted by <a href="https://about.readthedocs.org/?utm_source=&utm_content=flyout">Read the Docs</a></span>
            </small>
          </div>
        </div>
    `;

        // Inject the generated flyout into the body HTML element.
        document.body.insertAdjacentHTML("beforeend", flyout);

        // Trigger the Read the Docs Addons Search modal when clicking on the "Search docs" input from inside the flyout.
        document
            .querySelector("#flyout-search-form")
            .addEventListener("focusin", () => {
                const event = new CustomEvent("readthedocs-search-show");
                document.dispatchEvent(event);
            });
    })
}

if (themeLanguageSelector || themeVersionSelector) {
    function onSelectorSwitch(event) {
        const option = event.target.selectedIndex;
        const item = event.target.options[option];
        window.location.href = item.dataset.url;
    }

    document.addEventListener("readthedocs-addons-data-ready", function (event) {
        const config = event.detail.data();

        const versionSwitch = document.querySelector(
            "div.switch-menus > div.version-switch",
        );
        if (themeVersionSelector) {
            let versions = config.versions.active;
            if (config.versions.current.hidden || config.versions.current.type === "external") {
                versions.unshift(config.versions.current);
            }
            const versionSelect = `
    <select>
      ${versions
                    .map(
                        (version) => `
        <option
  value="${version.slug}"
  ${config.versions.current.slug === version.slug ? 'selected="selected"' : ""}
              data-url="${window.location.pathname.replace(config.versions.current.slug, version.slug)}">
              ${version.slug}
          </option>`,
                    )
                    .join("\n")}
    </select>
  `;

            versionSwitch.innerHTML = versionSelect;
            versionSwitch.firstElementChild.addEventListener("change", onSelectorSwitch);
        }

        const languageSwitch = document.querySelector(
            "div.switch-menus > div.language-switch",
        );

        if (themeLanguageSelector) {
            if (config.projects.translations.length) {
                // Add the current language to the options on the selector
                let languages = config.projects.translations.concat(
                    config.projects.current,
                );
                languages = languages.sort((a, b) =>
                    a.language.name.localeCompare(b.language.name),
                );

                const languageSelect = `
      <select>
        ${languages
                        .map(
                            (language) => `
              <option
                  value="${language.language.code}"
                  ${config.projects.current.slug === language.slug ? 'selected="selected"' : ""}
                  data-url="${language.urls.documentation}">
                  ${language.language.name}
              </option>`,
                        )
                        .join("\n")}
       </select>
    `;

                languageSwitch.innerHTML = languageSelect;
                languageSwitch.firstElementChild.addEventListener("change", onSelectorSwitch);
            }
            else {
                languageSwitch.remove();
            }
        }
    });
}

document.addEventListener("readthedocs-addons-data-ready", function (event) {
    // Trigger the Read the Docs Addons Search modal when clicking on "Search docs" input from the topnav.
    document
        .querySelector("[role='search'] input")
        .addEventListener("focusin", () => {
            const event = new CustomEvent("readthedocs-search-show");
            document.dispatchEvent(event);
        });
});
