package com.dowstats.controllers.instruments

import com.dowstats.data.dto.controllers.instruments.RgdNodeDto
import com.dowstats.data.dto.controllers.instruments.toRgdNodeDto
import com.dowstats.service.w40k.RgdParserService
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.http.MediaType
import org.springframework.web.bind.annotation.PostMapping
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RequestParam
import org.springframework.web.bind.annotation.RestController
import org.springframework.web.multipart.MultipartFile
import java.io.DataInputStream

@RestController
@RequestMapping("api/v1/instruments/rgd")
class RgdTreeController @Autowired constructor(
    val rgdParserService: RgdParserService,
) {

    @PostMapping(
        value = ["/tree"],
        consumes = [MediaType.MULTIPART_FORM_DATA_VALUE],
        produces = [MediaType.APPLICATION_JSON_VALUE],
    )
    fun parseRgdToTree(@RequestParam("file") file: MultipartFile): List<RgdNodeDto> {
        return file.inputStream.use { input ->
            rgdParserService.parseRgdFileStream(DataInputStream(input))
        }.map { it.toRgdNodeDto() }
    }
}