import { execa } from "execa"
import path from "path"
import { fileURLToPath } from "url"
import fs from "fs"
import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3"
import { Upload } from "@aws-sdk/lib-storage"
import { PassThrough, Readable } from "stream"
import { WritableStreamBuffer } from "stream-buffers"
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
async function uploadUml(plantUml) {
    const s3 = new S3Client({
        region: "oss-cn-hangzhou",
        endpoint: "https://oss-cn-hangzhou.aliyuncs.com",
        credentials: {
            accessKeyId: "PXzJyah5rZfWHIIH",
            secretAccessKey: "e1MS6j0wypXJrw8CM0hObZu8qKbfah"
        }
    })
    const stream = new PassThrough()
    const key = `uml/${Date.now()}.png`

    const upload = new Upload({
        client: s3,
        params: {
            ACL: "public-read",
            Bucket: "nebuai",
            Key: key,
            Body: stream
        }
    })

    const p = execa("java", [
        "-jar",
        "-Djava.awt.headless=true",
        "-DPLANTUML_LIMIT_SIZE=8192",
        `${path.join(__dirname, "plantuml-1.2023.12.jar")}`,
        "-config",
        `${path.join(__dirname, "plantuml.cfg")}`,
        "-tpng",
        "-pipe",
        "-fastfail",
        "-noerror"
    ])
    Readable.from(plantUml).pipe(p.stdin)
    const err = new WritableStreamBuffer()
    p.pipeStdout(stream)
    p.pipeStderr(err)
    try {
        await p
    } catch (error) {
        throw new Error(err.getContents().toString())
    }
    await upload.done()
    return `https://nebuai.oss-cn-hangzhou.aliyuncs.com/${key}`
}

export { uploadUml }