import Script from "./Script"
import { existsSync, mkdirSync, readFileSync, writeFileSync } from "fs"
import { LayerConfigJson } from "../src/Models/ThemeConfig/Json/LayerConfigJson"
import LayerConfig from "../src/Models/ThemeConfig/LayerConfig"
import { DoesImageExist } from "../src/Models/ThemeConfig/Conversion/Validation"
import { ExtractImages } from "../src/Models/ThemeConfig/Conversion/FixImages"
import { ThemeConfigJson } from "../src/Models/ThemeConfig/Json/ThemeConfigJson"
import { ConversionContext } from "../src/Models/ThemeConfig/Conversion/ConversionContext"
import Constants from "../src/Models/Constants"
import { main as downloadCommons } from "./downloadCommons"
import { WikimediaImageProvider } from "../src/Logic/ImageProviders/WikimediaImageProvider"
import { Utils } from "../src/Utils"
import { GenerateLicenseInfo } from "./generateLicenseInfo"

class ImportCustomTheme extends Script {
    constructor() {
        super("Given the path of a custom layer, will load the layer into mapcomplete as official")
    }

    async main(args: string[]) {
        const path = args[0]

        const layerconfig = <LayerConfigJson>JSON.parse(readFileSync(path, "utf-8"))
        const id = layerconfig.id
        const dirPath = "./assets/layers/" + id
        if (!existsSync(dirPath)) {
            mkdirSync(dirPath)
        }
        const imageFinder = new ExtractImages(true)
        const theme: ThemeConfigJson = <ThemeConfigJson>{
            layers: [layerconfig],
            id: "dummy-theme-during-import",
            title: {
                en: "Dummy",
            },
            icon: "./assets/svg/plus.svg",
            description: {
                en: "Dummy",
            },
        }
        const usedImagesAll: {
            path: string;
            context: string,
            location: (string | number)[]
        }[] = imageFinder.convert(theme, ConversionContext.construct([], ["checking images"]))
        const usedImages = usedImagesAll.filter(img => !img.path.startsWith("./assets"))
            .filter(img => Constants.defaultPinIcons.indexOf(img.path) < 0)
        console.log(usedImages)
        const wm = WikimediaImageProvider.singleton
        for (const usedImage of usedImages) {
            if (usedImage.path.indexOf("wikimedia") >= 0) {
                const filename = WikimediaImageProvider.extractFileName(usedImage.path)
                console.log("Canonical URL is", filename)
                await downloadCommons([dirPath, "https://commons.wikimedia.org/wiki/File:"+filename])
                console.log("Used image context:", usedImage.context)
                const replaceAt = (usedImage.location)
                    .slice(2) // We drop ".layer.0" as we put this in a dummy theme
                    .map(
                    breadcrumb => isNaN(Number(breadcrumb)) ? breadcrumb : Number(breadcrumb),
                )
                console.log("Replacement target location is", replaceAt)
                Utils.WalkPath(replaceAt, layerconfig, (_, path) => {
                    console.log("Found",path, "to replace with", filename,"origvalue:", _)
                    return `./assets/layers/${id}/${filename}`
                })
            }
        }
        writeFileSync("./assets/layers/"+id+"/"+id+".json", JSON.stringify(layerconfig, null, "  "))
    }
}

new ImportCustomTheme().run()
new GenerateLicenseInfo().run()