import {ProcessText} from "../wailsjs/go/main/App";

class TextProcessor {
    setCodeMirrorEditor(editor) {
        this._editor = editor;
        window.runtime.EventsOn("process-text-response", (data) => {
            const changes = data.output.map(span => ({
                from: span.pos,
                to: span.pos + span.len,
                insert: span.text,
            }));
            this._editor.dispatch({ changes: changes });
        });
    }

    runTextCommand(command) {
        if (this._editor === undefined) {
            return;
        }

        let ranges = this._editor.state.selection.ranges;
        let shouldBeAll = ranges.reduce((a, r) => a && r.from === r.to, true);

        let inputs = [];
        if (shouldBeAll) {
            inputs.push({
                text: this._editor.state.doc.toString(),
                pos: 0,
                len: this._editor.state.doc.length,
            });
        } else {
            inputs = ranges.map(r => ({
                text: this._editor.state.doc.slice(r.from, r.to).toString(),
                pos: r.from,
                len: r.to - r.from,
            }))
        }

        ProcessText({
            action: command,
            input: inputs,
        });
    }
}


export const textProcessor = new TextProcessor();