import { post } from "./api.js";
import { errorText, h, replace, showAlert } from "./dom.js";
import { openSettings } from "./settings.js";
import { activeTasks, currentSession, findTask, focusedProject, focusProject, focusTask, lastVisits, onEach, state } from "./state.js";
import { openStatus } from "./status.js";
export function mountNavbar(root) {
    const crumb = h("button", { class: "crumb", title: "Switch task (⌘K)" });
    crumb.onclick = openSwitcher;
    const status = h("button", { class: "nav-link" }, "Status");
    status.onclick = openStatus;
    const settings = h("button", { class: "nav-link" }, "Settings");
    settings.onclick = openSettings;
    const conn = h("span", { class: "connection down", title: "connecting" });
    const connLabel = h("span", { class: "connection-label" }, "reconnecting…");
    const me = h("span", { class: "me" });
    const render = () => {
        const task = state.selectedTaskId ? findTask(state.selectedTaskId) : undefined;
        const project = focusedProject();
        replace(crumb, task ? `${project?.name ?? ""} ▸ ${task.title}` : (project?.name ?? "No task"), " ▾");
        conn.className = state.connected ? "connection up" : "connection down";
        conn.title = state.connected ? "live" : "reconnecting";
        connLabel.hidden = state.connected;
        replace(me, state.me?.display_name ?? "");
    };
    onEach(["me", "projects", "tasks", "selection", "focus", "connection"], render);
    replace(root, h("a", { href: "#/", class: "brand" }, "byre"), crumb, h("span", { class: "spacer" }), status, settings, connLabel, conn, me);
    render();
    addEventListener("keydown", (e) => {
        if (e.key === "k" && (e.metaKey || e.ctrlKey) && !document.querySelector("dialog[open]")) {
            e.preventDefault();
            openSwitcher();
        }
    });
}
function openSwitcher() {
    if (document.querySelector(".switcher")) {
        return;
    }
    const input = h("input", { placeholder: "Go to a task, or type a title to create one…", autocomplete: "off" });
    const list = h("ul", { class: "switcher-list" });
    const backdrop = h("div", { class: "switcher-backdrop" });
    const box = h("div", { class: "switcher" }, input, list);
    let selected = 0;
    let rows = [];
    const offs = onEach(["projects", "tasks", "sessions", "inbox"], () => render());
    const onEscape = (e) => {
        if (e.key !== "Escape") {
            return;
        }
        e.preventDefault();
        e.stopPropagation();
        close();
    };
    addEventListener("keydown", onEscape, { capture: true });
    const close = () => {
        offs();
        removeEventListener("keydown", onEscape, { capture: true });
        backdrop.remove();
        box.remove();
    };
    const go = (taskId) => {
        close();
        focusTask(taskId);
    };
    const create = async (projectId, title) => {
        close();
        try {
            const task = await post("/api/projects/{projectId}/tasks", { path: { projectId }, body: { title } });
            go(task.id);
        }
        catch (err) {
            void showAlert(errorText(err));
        }
    };
    const render = () => {
        const title = input.value.trim();
        const q = title.toLowerCase();
        const inbox = (taskId) => state.inbox.filter((item) => item.task_id === taskId).length;
        const visits = lastVisits();
        const matches = activeTasks()
            .filter(({ project, task }) => `${project.name} ${task.title}`.toLowerCase().includes(q))
            .map((m) => ({ ...m, count: inbox(m.task.id), visited: visits[m.task.id] ?? 0 }))
            .sort((a, b) => Number(b.count > 0) - Number(a.count > 0) || a.visited - b.visited);
        rows = matches.map(({ project, task, count }) => {
            const sess = currentSession(task.id);
            const el = h("li", {}, h("span", { class: `dot ${sess?.state ?? "none"}`, title: sess?.state ?? "no session" }), h("span", { class: "task-title" }, h("span", { class: "project-name" }, project.name), " ", task.title), count > 0 && h("span", { class: "badge", title: "inbox items" }, count), h("span", { class: "task-state" }, sess?.state ?? "no agent"));
            return { el, pick: () => go(task.id) };
        });
        for (const p of state.projects.filter((p) => `${p.name} project`.toLowerCase().includes(q))) {
            const el = h("li", {}, h("span", { class: "dot none" }), h("span", { class: "task-title" }, h("span", { class: "project-name" }, p.name)), h("span", { class: "task-state" }, "project"));
            rows.push({
                el,
                pick: () => {
                    close();
                    focusProject(p.id);
                },
            });
        }
        const project = focusedProject() ?? state.projects[0];
        if (title && project) {
            const el = h("li", { class: "new-task" }, h("span", { class: "task-title" }, "New task in ", h("span", { class: "project-name" }, project.name), ": ", title));
            rows.push({ el, pick: () => void create(project.id, title) });
        }
        selected = Math.min(selected, Math.max(rows.length - 1, 0));
        rows.forEach((row, i) => {
            row.el.classList.toggle("selected", i === selected);
            row.el.onmousedown = (e) => {
                e.preventDefault();
                row.pick();
            };
        });
        replace(list, ...rows.map((r) => r.el), rows.length === 0 && h("li", { class: "empty-row" }, "No active tasks. Type a title to create one."));
    };
    input.oninput = () => {
        selected = 0;
        render();
    };
    input.onkeydown = (e) => {
        if (e.key === "ArrowDown") {
            e.preventDefault();
            selected = Math.min(selected + 1, rows.length - 1);
            render();
        }
        else if (e.key === "ArrowUp") {
            e.preventDefault();
            selected = Math.max(selected - 1, 0);
            render();
        }
        else if (e.key === "Enter") {
            e.preventDefault();
            rows[selected]?.pick();
        }
    };
    backdrop.onclick = close;
    document.body.append(backdrop, box);
    render();
    input.focus();
}
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