<?php

namespace Leantime\Domain\Bom\Controllers;

use Illuminate\Http\Request;
use Leantime\Domain\Bom\Services\Bom as BomService;
use Leantime\Domain\Bom\Services\MasterRef as MasterRefService;
use Symfony\Component\HttpFoundation\Response;

/**
 * BOM JSON API（原生 Laravel 控制器）。每个动作都在 Service 层按 BOM 所属项目自鉴权。
 */
class Api
{
    public function __construct(
        private BomService $bomService,
        private MasterRefService $masterRefService,
    ) {}

    public function detail(int $id): Response
    {
        $detail = $this->bomService->getBomDetail($id);

        return $detail === false
            ? response()->json(['status' => 'error', 'message' => 'BOM not found'], 404)
            : response()->json(['status' => 'success', 'data' => $detail]);
    }

    public function store(Request $request): Response
    {
        $projectId = (int) $request->input('projectId', session('currentProject'));
        $id = $this->bomService->createBom($request->all() + ['projectId' => $projectId]);

        return $id > 0
            ? response()->json(['status' => 'success', 'id' => $id])
            : response()->json(['status' => 'error', 'message' => 'Create failed'], 500);
    }

    public function update(int $id, Request $request): Response
    {
        return $this->bomService->updateBom($id, $request->all())
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Update failed'], 500);
    }

    public function destroy(int $id): Response
    {
        return $this->bomService->deleteBom($id)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Delete failed'], 500);
    }

    public function saveItem(int $id, Request $request): Response
    {
        $itemId = $request->input('itemId');
        $itemId = $itemId !== null && $itemId !== '' ? (int) $itemId : null;
        $newId = $this->bomService->saveItem($id, $request->all(), $itemId);

        return $newId > 0
            ? response()->json(['status' => 'success', 'itemId' => $newId])
            : response()->json(['status' => 'error', 'message' => 'Save item failed'], 500);
    }

    public function deleteItem(int $itemId): Response
    {
        return $this->bomService->deleteItem($itemId)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Delete item failed'], 500);
    }

    public function uploadAttachment(int $id, Request $request): Response
    {
        if (! $request->hasFile('file')) {
            return response()->json(['status' => 'error', 'message' => 'Missing file'], 400);
        }

        $result = $this->bomService->uploadAttachment($id, $_FILES);

        if (is_string($result)) {
            return response()->json(['status' => 'error', 'message' => $result], 500);
        }

        return response()->json(['status' => 'success', 'data' => $result]);
    }

    public function addColumn(int $id, Request $request): Response
    {
        $key = (string) $request->input('key', '');
        $label = (string) $request->input('label', $key);
        $columnId = $this->bomService->addColumn($id, $key, $label);

        return $columnId > 0
            ? response()->json(['status' => 'success', 'columnId' => $columnId])
            : response()->json(['status' => 'error', 'message' => 'Add column failed'], 500);
    }

    public function deleteColumn(int $columnId): Response
    {
        return $this->bomService->deleteColumn($columnId)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Delete column failed'], 500);
    }

    public function setHiddenColumns(int $id, Request $request): Response
    {
        $keys = $request->input('keys', []);
        $keys = is_array($keys) ? $keys : [];

        return $this->bomService->setHiddenColumns($id, $keys)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Save column visibility failed'], 500);
    }

    public function export(int $id, Request $request): Response
    {
        $format = strtolower((string) $request->input('format', 'xlsx'));
        $result = $this->bomService->export($id, $format);

        if ($result === false) {
            return response()->json(['status' => 'error', 'message' => 'Export failed'], 500);
        }

        $content = file_get_contents($result['path']);
        @unlink($result['path']);

        return response($content, 200, [
            'Content-Type' => $result['contentType'],
            'Content-Disposition' => 'attachment; filename="'.$result['filename'].'"',
        ]);
    }

    public function exportTemplate(int $id): Response
    {
        $result = $this->bomService->exportTemplate($id);

        if ($result === false) {
            return response()->json(['status' => 'error', 'message' => 'Export failed'], 500);
        }

        $content = file_get_contents($result['path']);
        @unlink($result['path']);

        return response($content, 200, [
            'Content-Type' => $result['contentType'],
            'Content-Disposition' => 'attachment; filename="'.$result['filename'].'"',
        ]);
    }

    public function addSource(int $id, Request $request): Response
    {
        $sourceId = $this->bomService->addSource($id, $request->all());

        return $sourceId > 0
            ? response()->json(['status' => 'success', 'sourceId' => $sourceId])
            : response()->json(['status' => 'error', 'message' => 'Add source failed'], 500);
    }

    public function deleteSource(int $sourceId): Response
    {
        return $this->bomService->deleteSource($sourceId)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Delete source failed'], 500);
    }

    public function parseTeable(Request $request): Response
    {
        $text = (string) $request->input('text', '');
        $result = $this->bomService->parseTeableText($text);

        return $result['success']
            ? response()->json(['status' => 'success', 'data' => $result])
            : response()->json(['status' => 'error', 'message' => $result['message'] ?? '解析失败'], 400);
    }

    public function importTeablePaste(int $id, Request $request): Response
    {
        $text = (string) $request->input('text', '');
        $result = $this->bomService->importFromTeableText($id, $text);

        return $result['success']
            ? response()->json(['status' => 'success', 'imported' => $result['imported'] ?? 0, 'errors' => $result['errors'] ?? [], 'source' => $result['source'] ?? null])
            : response()->json(['status' => 'error', 'message' => $result['message'] ?? '导入失败'], 500);
    }

    public function importTeable(int $id): Response
    {
        $result = $this->bomService->importFromTeable($id);

        return $result['success']
            ? response()->json(['status' => 'success', 'imported' => $result['imported'] ?? 0, 'errors' => $result['errors'] ?? []])
            : response()->json(['status' => 'error', 'message' => $result['message'] ?? 'Import failed'], 500);
    }

    public function importExcel(int $id, Request $request): Response
    {
        if (! $request->hasFile('file')) {
            return response()->json(['status' => 'error', 'message' => 'Missing file'], 400);
        }

        $file = $request->file('file');
        $ext = strtolower($file->getClientOriginalExtension() ?: 'xlsx');
        // tempnam 会创建一个无扩展名的空文件；我们拼接扩展名得到目标路径，
        // 目标文件本身不存在，直接写入内容即可（避免 move 到已存在路径的兼容问题）。
        $tmp = tempnam(sys_get_temp_dir(), 'bom.');
        $target = $tmp.'.'.$ext;

        try {
            file_put_contents($target, $file->getContent());
            $result = $this->bomService->importFromExcel($id, $target);
        } catch (\Throwable $e) {
            @unlink($tmp);
            @unlink($target);

            return response()->json(['status' => 'error', 'message' => $e->getMessage()], 500);
        }

        // 清理临时文件（tempnam 的空文件 + 带扩展名的数据文件）
        @unlink($tmp);
        @unlink($target);

        return $result['success']
            ? response()->json(['status' => 'success', 'imported' => $result['imported'] ?? 0])
            : response()->json(['status' => 'error', 'message' => $result['message'] ?? 'Import failed'], 500);
    }

    // ---- 全局主数据：项目引用层（单向，不写回全局） ----

    public function linkMaster(Request $request): Response
    {
        $projectId = (int) $request->input('projectId', session('currentProject'));
        $masterId = (int) $request->input('masterId', 0);
        $refId = $this->masterRefService->link($projectId, $masterId);

        return $refId > 0
            ? response()->json(['status' => 'success', 'refId' => $refId])
            : response()->json(['status' => 'error', 'message' => 'Link failed'], 500);
    }

    public function unlinkMaster(int $refId): Response
    {
        return $this->masterRefService->unlink($refId)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Unlink failed'], 500);
    }

    public function refDetail(int $refId): Response
    {
        $detail = $this->masterRefService->getRefDetail($refId);

        return $detail === false
            ? response()->json(['status' => 'error', 'message' => 'Ref not found'], 404)
            : response()->json(['status' => 'success', 'data' => $detail]);
    }

    public function addRefColumn(int $refId, Request $request): Response
    {
        $key = (string) $request->input('key', '');
        $label = (string) $request->input('label', $key);
        $columnId = $this->masterRefService->addColumn($refId, $key, $label);

        return $columnId > 0
            ? response()->json(['status' => 'success', 'columnId' => $columnId])
            : response()->json(['status' => 'error', 'message' => 'Add column failed'], 500);
    }

    public function deleteRefColumn(int $columnId): Response
    {
        return $this->masterRefService->deleteColumn($columnId)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Delete column failed'], 500);
    }

    public function saveRefValue(int $refId, Request $request): Response
    {
        $columnId = (int) $request->input('columnId', 0);
        $itemId = (int) $request->input('itemId', 0);
        $value = (string) $request->input('value', '');

        return $this->masterRefService->saveValue($refId, $columnId, $itemId, $value)
            ? response()->json(['status' => 'success'])
            : response()->json(['status' => 'error', 'message' => 'Save value failed'], 500);
    }
}