"use client";

import { Tag, TagId, Task, TaskId, Status } from "@/lib/types";
import { Color } from "@/lib/ui/color";
import BoardView from "./board/BoardView";
import { Tabs, TabsContent, TabsList, TabsTrigger } from "../ui/tabs";
import { TableView } from "./table/TableView";
import EditView from "./edit/EditView";
import { Button } from "@/components/ui/button";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
  DropdownMenuSeparator,
} from "@/components/ui/dropdown-menu";
import { FileDown } from "lucide-react";
import {
  downloadFile,
  exportTodoAsJson,
  exportTodoAsCsv,
  exportTodoAsMarkdown,
} from "@/lib/export";
import { useEffect, useState } from "react";

export type TaskViewProps = {
  tags: Record<TagId, Tag>;

  tasks: Record<TaskId, Task>;

  statuses: Status[];

  /** Update entire tasks record */
  setTasks: (tasks: Record<TaskId, Task>) => void;

  /** Update tags */
  setTags: (tags: Record<TagId, Tag>) => void;

  /** Update statuses */
  setStatuses: (statuses: Status[]) => void;

  /** Create a new task with a status */
  createTask: (statusId: string) => void;

  /** Entity name for export */
  entityName?: string;
};

export default function TaskView({
  tags,
  tasks,
  statuses,
  setTasks,
  setTags,
  setStatuses,
  createTask,
  entityName = "Tasks",
}: TaskViewProps) {
  const [isExporting, setIsExporting] = useState(false);

  const handleExport = (format: "json" | "csv" | "markdown") => {
    const todoEntity = {
      id: "",
      type: "todo" as const,
      name: entityName,
      config: { statuses },
      tags,
      tasks,
      createdAt: Date.now(),
      updatedAt: Date.now(),
    };

    let content = "";
    let filename = `${entityName.replace(/\s+/g, "_")}_${Date.now()}`;

    switch (format) {
      case "json":
        content = exportTodoAsJson(todoEntity);
        filename += ".json";
        break;
      case "csv":
        content = exportTodoAsCsv(todoEntity);
        filename += ".csv";
        break;
      case "markdown":
        content = exportTodoAsMarkdown(todoEntity);
        filename += ".md";
        break;
    }

    downloadFile(content, filename, "text/plain");
  };
  return (
    <div className="px-6 pt-4 flex flex-col gap-4">
      <div className="flex items-center justify-end"></div>
      <Tabs defaultValue="board" className="w-full">
        <div className="flex justify-between">
          <TabsList className="mb-4">
            <TabsTrigger value="board">Board</TabsTrigger>
            <TabsTrigger value="table">Table</TabsTrigger>
            <TabsTrigger value="edit">Edit</TabsTrigger>
          </TabsList>

          <DropdownMenu>
            <DropdownMenuTrigger asChild>
              <Button variant="outline" size="sm" disabled={isExporting}>
                <FileDown className="h-4 w-4 mr-2" />
                Export
              </Button>
            </DropdownMenuTrigger>
            <DropdownMenuContent align="end">
              <DropdownMenuItem onClick={() => handleExport("csv")}>
                Export as CSV
              </DropdownMenuItem>
              <DropdownMenuItem onClick={() => handleExport("markdown")}>
                Export as Markdown
              </DropdownMenuItem>
              <DropdownMenuSeparator />
              <DropdownMenuItem onClick={() => handleExport("json")}>
                Export as JSON
              </DropdownMenuItem>
            </DropdownMenuContent>
          </DropdownMenu>
        </div>

        <TabsContent value="board" className="mt-0">
          <BoardView
            tasks={tasks}
            setTasks={setTasks}
            createTask={createTask}
            tags={tags}
            setTags={setTags}
            setStatuses={setStatuses}
            statuses={statuses}
          />
        </TabsContent>

        <TabsContent value="table" className="mt-0">
          <TableView
            tasks={tasks}
            setTasks={setTasks}
            createTask={createTask}
            tags={tags}
            setTags={setTags}
            setStatuses={setStatuses}
            statuses={statuses}
          />
        </TabsContent>

        <TabsContent value="edit" className="mt-0">
          <EditView
            tags={tags}
            statuses={statuses}
            setTags={setTags}
            setStatuses={setStatuses}
          />
        </TabsContent>
      </Tabs>
    </div>
  );
}