import { ResearchList, ResearchDetail } from "./ResearchList";
import { useEffect, useState } from "react";
import { Banner, Button, Pagination, Table } from "@douyinfe/semi-ui-19";
import { api, formatTime } from "../api";
import type { PageContext, UIAction } from "../ai/types";
import { FlowLaunchForm } from "./FlowLaunchForm";
import { FlowRunView } from "./FlowRunView";
import type { FlowRun } from "./flowTypes";
import { flowStatus } from "./flowTypes";
import "./workspace.css";
export function PipelinePage({
  active,
  onAction,
  onContext,
}: {
  active: boolean;
  onAction: (a: UIAction) => void;
  onContext: (c: PageContext) => void;
}) {
  const [items, setItems] = useState<FlowRun[]>([]);
  const [total, setTotal] = useState(0);
  const [page, setPage] = useState(1);
  const [selected, setSelected] = useState<string | null>(() =>
    localStorage.getItem("research-selected-flow"),
  );
  const [run, setRun] = useState<FlowRun | null>(null);
  const [creating, setCreating] = useState(false);
  const [detailOpen, setDetailOpen] = useState(false);
  const [revision, setRevision] = useState(0);
  const [error, setError] = useState("");
  useEffect(() => {
    if (active) onContext({ page: "pipeline", research_run_id: selected });
  }, [active, selected, onContext]);
  useEffect(() => {
    if (!active) return;
    const c = new AbortController();
    let timer: ReturnType<typeof setTimeout>;
    async function refresh() {
      try {
        const list = await api<{ items: FlowRun[]; total: number }>(
          `/research/flows/runs?kind=pipeline&offset=${(page - 1) * 25}`,
          { signal: c.signal },
        );
        setItems(list.items);
        setTotal(list.total);
        if (selected)
          setRun(
            await api(`/research/flows/runs/${selected}`, { signal: c.signal }),
          );
        setError("");
      } catch (e) {
        if (!c.signal.aborted) setError((e as Error).message);
      } finally {
        if (!c.signal.aborted) timer = setTimeout(() => void refresh(), 1500);
      }
    }
    void refresh();
    return () => {
      c.abort();
      clearTimeout(timer);
    };
  }, [active, page, selected, revision]);
  function select(id: string) {
    setRun(null);
    setDetailOpen(true);
    setSelected(id);
    localStorage.setItem("research-selected-flow", id);
    setCreating(false);
  }
  return (
    <section className="research-workspace research-list-page">
      {error && !detailOpen && <Banner type="danger" description={error} />}
      <ResearchList
        resetKey={JSON.stringify([page])}
        label="研究流水线"
        actions={
          <Button
            theme="solid"
            onClick={() => {
              setCreating(true);
              setDetailOpen(true);
            }}
          >
            新建自动研究
          </Button>
        }
        pagination={
          <>
            <span>共 {total} 次运行</span>
            {total > 0 && (
              <Pagination
                size="small"
                total={total}
                currentPage={page}
                pageSize={25}
                onPageChange={setPage}
              />
            )}
          </>
        }
      >
        <Table<FlowRun>
          className="research-table"
          dataSource={items}
          rowKey="id"
          pagination={false}
          size="small"
          sticky
          style={{ minWidth: 640 }}
          empty="暂无研究运行，请新建自动研究。"
          columns={[
            {
              title: "研究名称",
              key: "name",
              render: (_, item) => (
                <Button theme="borderless" onClick={() => select(item.id)}>
                  {item.name}
                </Button>
              ),
            },
            {
              title: "状态",
              key: "status",
              width: 140,
              render: (_, item) => flowStatus[item.status],
            },
            {
              title: "轮次",
              key: "round",
              width: 80,
              render: (_, item) => item.round,
            },
            {
              title: "创建时间",
              key: "created_at",
              width: 190,
              render: (_, item) => formatTime(item.created_at),
            },
          ]}
        />
      </ResearchList>
      <ResearchDetail
        title={creating ? "新建自动研究" : "研究运行详情"}
        visible={active && detailOpen}
        onClose={() => setDetailOpen(false)}
      >
        {error && <Banner type="danger" description={error} />}
        <div className="research-main">
          {creating ? (
            <FlowLaunchForm
              key="new-flow"
              onStarted={(r) => {
                select(r.id);
                setRun(r);
                setRevision((v) => v + 1);
              }}
            />
          ) : (
            run && (
              <FlowRunView
                run={run}
                onRefresh={() => setRevision((v) => v + 1)}
                onAction={onAction}
              />
            )
          )}
        </div>
      </ResearchDetail>
    </section>
  );
}