import {getPasteRange, resetPasteRange} from "../../state_plugins/clipboard.js"
import type {BibDBCollection} from "@fiduswriter/bibliography-manager/types/biblio"
import type {Editor} from "../../types.js"
import type {EditorView} from "prosemirror-view"

export class TextPaste {
    editor: Editor
    text: string
    view: EditorView
    foundBibEntries: boolean

    constructor(editor: Editor, text: string, view: EditorView) {
        this.editor = editor
        this.text = text
        this.view = view
        this.foundBibEntries = false
    }

    init(): void {
        import("@fiduswriter/bibliography-manager/import").then(
            ({BibliographyImporter}) => {
                const bibDB = this.editor.mod.db?.bibDB as unknown as BibDBCollection
                const importer = new BibliographyImporter(
                    this.text,
                    bibDB,
                    (newIds: number[]) => {
                        this.foundBibEntries = true
                        const format = "autocite",
                            references = newIds.map(id => ({id}))

                        const citationNode = this.view.state.schema.nodes[
                            "citation"
                        ].create({format, references})
                        const pasteRange = getPasteRange(this.view.state)
                        if (pasteRange) {
                            const tr = this.view.state.tr
                            tr.replaceRangeWith(
                                pasteRange[0],
                                pasteRange[1],
                                citationNode
                            )
                            resetPasteRange(tr)
                            tr.setMeta("addToHistory", false)
                            this.view.dispatch(tr)
                        }
                    },
                    () => {
                        if (!this.foundBibEntries) {
                            // There were no citations in the pasted text.
                            const pasteRange = getPasteRange(this.view.state)
                            if (pasteRange) {
                                const tr = this.view.state.tr
                                resetPasteRange(tr)
                                this.view.dispatch(tr)
                            }
                        }
                    },
                    false // no messages to end user. Would be confusing if user just wants to paste unrelated text.
                )
                importer.init()
            }
        )
    }
}