import * as vscode from 'vscode';

export class InputBox {

    constructor(public readonly jsonSchema: any) {}

    public async openForm(currentValues: any): Promise<any> {
        let values : any = {};
        for(let ip of Object.keys(this.jsonSchema.properties)){
            let p : any = this.jsonSchema.properties[ip];
            let value : string | undefined;
            let castValue: any;
            // # Get input value
            if(p.enum)
                value = await vscode.window.showQuickPick(p.enum.map((e:any) => e+'') as string[], { canPickMany: false, placeHolder: p.description + (currentValues[p]?" ("+currentValues[p]+")": "") });
            else
                value = await vscode.window.showInputBox( { placeHolder: p.description + (currentValues[p]?" ("+currentValues[p]+")": "") });
    
            // # Check undefined
            if(!value)
                if(p.required){
                    if(currentValues[p])
                        castValue = currentValues[p];
                    else
                        throw new Error(ip + " input required");
                }     
                else
                    castValue = value;
            else {
                // # Cast input value
                if(p.type == "boolean")
                    castValue = (value =="true"); 
                else if(p.type == "number" || p.type == "integer")
                    castValue = +value;
                else castValue = value;
            }
            values[ip] = castValue;
        }
        return values;
    }
}