import { post } from "./api.js";
import { ago, errorText, h, replace } from "./dom.js";
import { currentSession, findTask, onEach, state } from "./state.js";
const models = ["", "opus", "sonnet", "haiku"];
export function mountTranscript(root) {
    const head = h("header", { class: "task-header" });
    const transcript = h("div", { class: "transcript" });
    const composer = h("div", { class: "composer" });
    let tools = new Map();
    const renderHead = () => {
        const task = state.selectedTaskId ? findTask(state.selectedTaskId) : undefined;
        if (!task) {
            replace(head);
            return;
        }
        const sess = currentSession(task.id);
        const complete = h("button", { class: "danger", title: "Remove the worktree and branch; history stays" }, "Complete task");
        complete.onclick = async () => {
            if (!confirm(`Complete "${task.title}"? Its worktree and branch are removed; its history stays.`)) {
                return;
            }
            try {
                await post("/api/tasks/{taskId}/complete", { path: { taskId: task.id } });
                location.hash = "#/";
            }
            catch (err) {
                alert(errorText(err));
            }
        };
        replace(head, h("div", { class: "meta" }, h("code", {}, task.branch), h("code", { class: "path" }, task.worktree_path)), h("div", { class: "head-actions" }, sess && h("span", { class: `state ${sess.state}` }, sess.state), complete));
    };
    const renderComposer = () => {
        const task = state.selectedTaskId ? findTask(state.selectedTaskId) : undefined;
        if (!task) {
            replace(composer);
            return;
        }
        const sess = currentSession(task.id);
        if (!sess || sess.state === "completed") {
            replace(composer, startForm(task.id));
            return;
        }
        replace(composer, messageForm(sess.id, sess.state));
    };
    const appendEvents = (events) => {
        const pinned = transcript.scrollHeight - transcript.scrollTop - transcript.clientHeight < 80;
        for (const ev of events) {
            const el = renderEvent(ev, tools);
            if (el) {
                transcript.append(el);
            }
        }
        if (pinned) {
            transcript.scrollTop = transcript.scrollHeight;
        }
    };
    const renderAll = () => {
        tools = new Map();
        renderHead();
        renderComposer();
        if (!state.selectedTaskId) {
            replace(transcript, h("div", { class: "empty" }, "No task selected. Pick one with ⌘K or from the Tasks tab."));
            return;
        }
        replace(transcript);
        appendEvents(state.transcript);
    };
    const offs = [
        onEach(["selection"], renderAll),
        onEach(["tasks"], () => {
            renderHead();
            renderComposer();
        }),
        onEach(["sessions"], (taskId) => {
            if (taskId === state.selectedTaskId) {
                renderHead();
                renderComposer();
            }
        }),
        onEach(["transcript"], (fresh) => appendEvents(fresh)),
    ];
    replace(root, h("div", { class: "transcript-view" }, head, transcript, composer));
    renderAll();
    return () => {
        for (const off of offs) {
            off();
        }
    };
}
function startForm(taskId) {
    const prompt = h("textarea", { placeholder: "What should the agent do?", rows: 4, required: true });
    const model = h("select", {}, ...models.map((m) => h("option", { value: m }, m || "default model")));
    const form = h("form", { class: "compose" }, prompt, h("div", { class: "compose-actions" }, model, h("button", { type: "submit" }, "Start agent")));
    form.onsubmit = async (e) => {
        e.preventDefault();
        try {
            await post("/api/tasks/{taskId}/sessions", { path: { taskId }, body: { prompt: prompt.value, model: model.value || undefined } });
        }
        catch (err) {
            alert(errorText(err));
        }
    };
    submitOnModEnter(prompt, form);
    return form;
}
function messageForm(sessionId, sessionState) {
    const text = h("textarea", { placeholder: sessionState === "idle" ? "Message the agent" : "Wait for the turn to end, or interrupt it", rows: 3 });
    const send = h("button", { type: "submit", disabled: sessionState !== "idle" }, "Send");
    const interrupt = h("button", { type: "button", class: "danger", disabled: sessionState !== "running" && sessionState !== "queued" }, sessionState === "queued" ? "Cancel queued turn" : "Interrupt");
    interrupt.onclick = async () => {
        try {
            await post("/api/sessions/{sessionId}/interrupt", { path: { sessionId } });
        }
        catch (err) {
            alert(errorText(err));
        }
    };
    const form = h("form", { class: "compose" }, text, h("div", { class: "compose-actions" }, interrupt, send));
    form.onsubmit = async (e) => {
        e.preventDefault();
        if (!text.value.trim()) {
            return;
        }
        try {
            await post("/api/sessions/{sessionId}/messages", { path: { sessionId }, body: { text: text.value } });
            text.value = "";
        }
        catch (err) {
            alert(errorText(err));
        }
    };
    submitOnModEnter(text, form);
    return form;
}
function submitOnModEnter(input, form) {
    input.onkeydown = (e) => {
        if (e.key === "Enter" && (e.metaKey || e.ctrlKey)) {
            e.preventDefault();
            form.requestSubmit();
        }
    };
}
function renderEvent(ev, tools) {
    const p = ev.payload;
    const when = h("time", { dateTime: ev.created_at, title: ev.created_at }, ago(ev.created_at));
    switch (ev.kind) {
        case "user.message":
            return h("div", { class: "msg user" }, h("div", { class: "who" }, ev.actor, " ", when), h("div", { class: "text" }, String(p["text"])));
        case "agent.message":
            return h("div", { class: "msg agent" }, h("div", { class: "text" }, String(p["text"])));
        case "agent.thinking":
            return h("details", { class: "thinking" }, h("summary", {}, "thinking"), h("div", { class: "text" }, String(p["text"])));
        case "agent.tool_call": {
            const result = h("div", { class: "tool-result pending" }, "running…");
            tools.set(String(p["id"]), result);
            return h("details", { class: "tool" }, h("summary", {}, h("span", { class: "tool-name" }, String(p["name"])), " ", h("span", { class: "tool-brief" }, toolBrief(p["input"]))), h("pre", { class: "tool-input" }, JSON.stringify(p["input"], null, 2)), result);
        }
        case "agent.tool_result": {
            const target = tools.get(String(p["tool_use_id"]));
            const body = h("pre", {}, resultText(p["content"]));
            if (!target) {
                return h("div", { class: "tool-result orphan" }, body);
            }
            target.className = p["is_error"] ? "tool-result error" : "tool-result";
            replace(target, body);
            if (p["is_error"]) {
                target.closest("details")?.classList.add("errored");
            }
            return null;
        }
        case "agent.report":
            return reportCard(p);
        case "turn.ended":
            return h("div", { class: `turn-end ${p["is_error"] ? "error" : ""}` }, p["is_error"] ? `turn ended: ${String(p["subtype"]).replaceAll("_", " ")}` : "");
        case "session.created":
            return h("div", { class: "note" }, `${ev.actor} started a ${p["vendor"]} session`, p["model"] ? ` (${p["model"]})` : "", " ", when);
        case "session.state":
            return p["error"] ? h("div", { class: "note error" }, `session ${p["state"]}: ${p["error"]}`) : null;
        case "inbox.created": {
            const kind = p["kind"];
            if (kind === "question") {
                const q = p["payload"];
                return h("div", { class: "note ask" }, `asked${p["blocking"] ? " (blocking)" : ""}: `, String(q["question"]));
            }
            if (kind === "session_error" || kind === "rate_limited") {
                const q = p["payload"];
                return h("div", { class: "note error" }, String(q["error"]));
            }
            return null;
        }
        case "task.completed":
            return h("div", { class: "note" }, `${ev.actor} completed the task `, when);
    }
    return null;
}
export function reportCard(p) {
    const sections = [
        ["done", "Done"],
        ["deviations", "Deviations from plan"],
        ["open_questions", "Open questions"],
        ["risks", "Risks"],
        ["next_steps", "Next steps"],
    ];
    return h("div", { class: "report" }, ...sections.map(([key, label]) => {
        const items = p[key] ?? [];
        if (items.length === 0) {
            return null;
        }
        return h("div", { class: `report-section ${key}` }, h("h4", {}, label), h("ul", {}, ...items.map((i) => h("li", {}, i))));
    }));
}
function toolBrief(input) {
    if (typeof input !== "object" || input === null) {
        return "";
    }
    const i = input;
    const brief = i["command"] ?? i["file_path"] ?? i["pattern"] ?? i["url"] ?? i["question"] ?? i["description"] ?? "";
    const text = String(brief);
    return text.length > 120 ? `${text.slice(0, 120)}…` : text;
}
function resultText(content) {
    if (typeof content === "string") {
        return content;
    }
    if (Array.isArray(content)) {
        return content.map((c) => (typeof c === "object" && c !== null && "text" in c ? String(c.text) : JSON.stringify(c))).join("\n");
    }
    return JSON.stringify(content, null, 2);
}
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