import {ModuleWithProviders, NgModule, Optional} from '@angular/core';
import {LucideAngularComponent} from './lucide-angular.component';
import {LucideIcons} from '../icons/types';
import {LUCIDE_ICONS, LucideIconProvider} from './lucide-icon.provider';
import {Icons} from './icons.provider';

const legacyIconProviderFactory = (icons?: LucideIcons) => {
    return new LucideIconProvider(icons ?? {});
}

@NgModule({
    declarations: [LucideAngularComponent],
    imports: [],
    exports: [LucideAngularComponent],
})
export class LucideAngularModule {
    static pick(icons: LucideIcons): ModuleWithProviders<LucideAngularModule> {
        return {
            ngModule: LucideAngularModule,
            providers: [
                {provide: LUCIDE_ICONS, multi: true, useValue: new LucideIconProvider(icons)},
                {provide: LUCIDE_ICONS, multi: true, useFactory: legacyIconProviderFactory, deps: [[new Optional(), Icons]]},
            ],
        };
    }
}