<?php

namespace Leantime\Domain\Bom\Tools;

use Illuminate\Support\Str;
use Laravel\Mcp\Server\Tool;
use Laravel\Mcp\Server\Tools\Annotations\IsReadOnly;
use Laravel\Mcp\Server\Tools\ToolInputSchema;
use Laravel\Mcp\Server\Tools\ToolResult;
use Leantime\Domain\Bom\Services\Bom;

/**
 * 查看主数据（BOM/工艺文件/工具清单）详情：含固定列 + 动态列 + 明细行 + 数据源。
 */
#[IsReadOnly]
class GetMasterDetailTool extends Tool
{
    public function __construct(
        private Bom $bomService,
    ) {}

    public function name(): string
    {
        return 'getMasterDetail';
    }

    public function description(): string
    {
        return '查看主数据（BOM/工艺文件/工具清单）的完整明细，含固定列、动态列、明细行、Teable 数据源。';
    }

    public function schema(ToolInputSchema $schema): ToolInputSchema
    {
        return $schema
            ->integer('id')->description('主数据 ID。')->required()
            ->integer('limit')->description('最多返回多少行明细，默认 50。');
    }

    public function handle(array $arguments): ToolResult
    {
        $id = (int) ($arguments['id'] ?? 0);
        $limit = (int) ($arguments['limit'] ?? 50);

        $detail = $this->bomService->getBomDetail($id);
        if ($detail === false) {
            return ToolResult::error("主数据不存在或无权访问：{$id}");
        }

        $bom = $detail['bom'] ?? [];
        $columns = $detail['columns'] ?? [];
        $items = $detail['items'] ?? [];

        $result = [
            'id' => (int) ($bom['id'] ?? 0),
            'type' => (string) ($bom['type'] ?? 'bom'),
            'bomNo' => (string) ($bom['bomNo'] ?? ''),
            'productName' => Str::sanitizeForLLM((string) ($bom['productName'] ?? '')),
            'version' => (string) ($bom['version'] ?? ''),
            'columns' => array_map(fn ($c) => [
                'key' => (string) $c['key'],
                'label' => (string) ($c['label'] ?? $c['key']),
            ], $columns),
            'itemCount' => count($items),
            'items' => array_slice(array_map(function ($it) {
                $row = [];
                foreach ($it as $k => $v) {
                    if (is_scalar($v)) {
                        $row[$k] = Str::sanitizeForLLM((string) $v);
                    }
                }
                return $row;
            }, $items), 0, $limit),
        ];

        return ToolResult::json($result);
    }
}