import Combine from "../Base/Combine"
import { OsmConnection } from "../../Logic/Osm/OsmConnection"
import { UIEventSource } from "../../Logic/UIEventSource"
import Title from "../Base/Title"
import Toggle from "../Input/Toggle"
import Loading from "../Base/Loading"
import { VariableUiElement } from "../Base/VariableUIElement"
import { FixedUiElement } from "../Base/FixedUiElement"
import { SubtleButton } from "../Base/SubtleButton"
import Svg from "../../Svg"
import Translations from "../i18n/Translations"
import { Translation } from "../i18n/Translation"

export class CreateNotes extends Combine {
    public static createNoteContentsUi(
        feature: { properties: any; geometry: { coordinates: [number, number] } },
        options: { wikilink: string; intro: string; source: string; theme: string }
    ): (Translation | string)[] {
        const src = feature.properties["source"] ?? feature.properties["src"] ?? options.source
        delete feature.properties["source"]
        delete feature.properties["src"]
        let extraNote = ""
        if (feature.properties["note"]) {
            extraNote = feature.properties["note"] + "\n"
            delete feature.properties["note"]
        }

        const tags: string[] = []
        for (const key in feature.properties) {
            if (feature.properties[key] === null || feature.properties[key] === undefined) {
                console.warn("Null or undefined key for ", feature.properties)
                continue
            }
            if (feature.properties[key] === "") {
                continue
            }
            tags.push(
                key +
                    "=" +
                    (feature.properties[key] + "")
                        .replace(/=/, "\\=")
                        .replace(/;/g, "\\;")
                        .replace(/\n/g, "\\n")
            )
        }
        const lat = feature.geometry.coordinates[1]
        const lon = feature.geometry.coordinates[0]
        const note = Translations.t.importHelper.noteParts
        return [
            options.intro,
            extraNote,
            note.datasource.Subs({ source: src }),
            note.wikilink.Subs(options),
            "",
            note.importEasily,
            `https://mapcomplete.osm.be/${options.theme}.html?z=18&lat=${lat}&lon=${lon}#import`,
            ...tags,
        ]
    }

    public static createNoteContents(
        feature: { properties: any; geometry: { coordinates: [number, number] } },
        options: { wikilink: string; intro: string; source: string; theme: string }
    ): string[] {
        return CreateNotes.createNoteContentsUi(feature, options).map((trOrStr) => {
            if (typeof trOrStr === "string") {
                return trOrStr
            }
            return trOrStr.txt
        })
    }

    constructor(
        state: { osmConnection: OsmConnection },
        v: { features: any[]; wikilink: string; intro: string; source: string; theme: string }
    ) {
        const t = Translations.t.importHelper.createNotes
        const createdNotes: UIEventSource<number[]> = new UIEventSource<number[]>([])
        const failed = new UIEventSource<string[]>([])
        const currentNote = createdNotes.map((n) => n.length)

        for (const f of v.features) {
            const lat = f.geometry.coordinates[1]
            const lon = f.geometry.coordinates[0]
            const text = CreateNotes.createNoteContents(f, v).join("\n")

            state.osmConnection.openNote(lat, lon, text).then(
                ({ id }) => {
                    createdNotes.data.push(id)
                    createdNotes.ping()
                },
                (err) => {
                    failed.data.push(err)
                    failed.ping()
                }
            )
        }

        super([
            new Title(t.title),
            t.loading,
            new Toggle(
                new Loading(
                    new VariableUiElement(
                        currentNote.map((count) =>
                            t.creating.Subs({
                                count,
                                total: v.features.length,
                            })
                        )
                    )
                ),
                new Combine([
                    Svg.party_svg().SetClass("w-24"),
                    t.done.Subs({ count: v.features.length }).SetClass("thanks"),
                    new SubtleButton(Svg.note_svg(), t.openImportViewer, {
                        url: "import_viewer.html",
                    }),
                ]),
                currentNote.map((count) => count < v.features.length)
            ),
            new VariableUiElement(
                failed.map((failed) => {
                    if (failed.length === 0) {
                        return undefined
                    }
                    return new Combine([
                        new FixedUiElement("Some entries failed").SetClass("alert"),
                        ...failed,
                    ]).SetClass("flex flex-col")
                })
            ),
        ])
        this.SetClass("flex flex-col")
    }
}