"use client"

import { useState } from "react"

import {
  GitBranchIcon,
  HistoryIcon,
  UsersIcon,
} from "lucide-react"

import { DashboardCrudPage } from "@/components/dashboard/crud"
import { ProjectDialog } from "@/components/project-dialog"
import { Badge } from "@/components/ui/badge"
import {
  deleteAIWorkflow,
  fetchAIWorkflows,
  type AIWorkflow,
  type CreateAIWorkflowPayload,
} from "@/lib/api/admin"
import { formatDateTime } from "@/lib/utils"

import { WorkflowUsageDialog } from "./_components/workflow-usage-dialog"
import { WorkflowVersionsDialog } from "./_components/workflow-versions-dialog"
import { WorkflowWorkbench } from "./_components/workflow-workbench"

export default function DashboardAIWorkflowsPage() {
  const [reloadKey, setReloadKey] = useState(0)
  const [versionsWorkflow, setVersionsWorkflow] =
    useState<AIWorkflow | null>(null)
  const [usageWorkflow, setUsageWorkflow] = useState<AIWorkflow | null>(null)

  return (
    <>
      <DashboardCrudPage<AIWorkflow, CreateAIWorkflowPayload>
        filters={[
          {
            name: "name",
            label: "工作流名称",
            placeholder: "搜索工作流名称",
            defaultValue: "",
            trim: true,
            className: "w-full sm:w-72",
          },
        ]}
        columns={[
          {
            key: "workflow",
            label: "工作流",
            render: (item) => (
              <div className="flex items-start gap-3">
                <div className="mt-0.5 flex size-8 items-center justify-center rounded-md bg-muted text-muted-foreground">
                  <GitBranchIcon className="size-4" />
                </div>
                <div className="min-w-0">
                  <div className="font-medium">{item.name}</div>
                  <div className="mt-1 line-clamp-2 text-sm text-muted-foreground">
                    {item.description || "暂无业务说明"}
                  </div>
                </div>
              </div>
            ),
          },
          {
            key: "status",
            label: "状态",
            render: (item) => (
              <Badge
                variant={item.publishedVersionId ? "secondary" : "outline"}
              >
                {item.publishedVersionId ? "已发布" : "草稿"}
              </Badge>
            ),
          },
          {
            key: "version",
            label: "当前版本",
            render: (item) =>
              item.publishedVersionId
                ? `已发布 #${item.publishedVersionId}`
                : "-",
          },
          {
            key: "updatedAt",
            label: "更新时间",
            render: (item) => formatDateTime(item.updatedAt),
          },
        ]}
        fetchList={(query) =>
          fetchAIWorkflows({
            name: typeof query.name === "string" ? query.name : undefined,
            page: Number(query.page),
            limit: Number(query.limit),
          })
        }
        getItemId={(item) => item.id}
        createItem={async () => undefined}
        updateItem={async () => undefined}
        deleteItem={(item) => deleteAIWorkflow(item.id)}
        rowActions={[
          {
            key: "versions",
            label: "版本历史",
            icon: <HistoryIcon />,
            run: ({ item }) => setVersionsWorkflow(item),
          },
          {
            key: "usage",
            label: "使用情况",
            icon: <UsersIcon />,
            run: ({ item }) => setUsageWorkflow(item),
          },
        ]}
        reloadKey={reloadKey}
        renderEditDialog={({ open, item, itemId, onOpenChange }) => (
          <ProjectDialog
            open={open}
            onOpenChange={onOpenChange}
            title={item ? "编辑工作流" : "新建工作流"}
            defaultFullscreen
            bodyScrollable={false}
            headerClassName="sr-only"
          >
            <WorkflowWorkbench
              workflowID={itemId ?? undefined}
              onSaved={() => setReloadKey((value) => value + 1)}
            />
          </ProjectDialog>
        )}
        labels={{
          refresh: "刷新",
          create: "创建工作流",
          query: "查询",
          loading: "正在加载工作流…",
          empty: "暂无工作流",
          actions: "操作",
          edit: "编辑",
          delete: "删除",
          processing: "处理中…",
          moreActions: (item) => `${item.name} 的更多操作`,
          loadFailed: "加载工作流失败",
          saveFailed: "保存工作流失败",
          deleteFailed: "删除工作流失败",
          created: (payload) => `已创建 ${payload.name}`,
          updated: (item) => `已更新 ${item.name}`,
          deleted: (item) => `已删除 ${item.name}`,
        }}
      />

      <WorkflowVersionsDialog
        workflow={versionsWorkflow}
        open={versionsWorkflow !== null}
        onOpenChange={(open) => {
          if (!open) setVersionsWorkflow(null)
        }}
        onRestored={() => setReloadKey((value) => value + 1)}
      />
      <WorkflowUsageDialog
        workflow={usageWorkflow}
        open={usageWorkflow !== null}
        onOpenChange={(open) => {
          if (!open) setUsageWorkflow(null)
        }}
      />
    </>
  )
}