import type { AllAppConfig, AppConfigRawResponse } from '$lib/types/application-configuration';
import { cachedApplicationLogo, cachedBackgroundImage } from '$lib/utils/cached-image-util';
import APIService from './api-service';

export default class AppConfigService extends APIService {
	async list(showAll = false) {
		let url = '/application-configuration';
		if (showAll) {
			url += '/all';
		}

		const { data } = await this.api.get<AppConfigRawResponse>(url);
		return this.parseConfigList(data);
	}

	async update(appConfig: AllAppConfig) {
		// Convert all values to string, stringifying JSON where needed
		const appConfigConvertedToString: Record<string, string> = {};
		for (const key in appConfig) {
			const value = (appConfig as any)[key];
			if (typeof value === 'object' && value !== null) {
				appConfigConvertedToString[key] = JSON.stringify(value);
			} else {
				appConfigConvertedToString[key] = String(value);
			}
		}
		const res = await this.api.put('/application-configuration', appConfigConvertedToString);
		return this.parseConfigList(res.data);
	}

	async updateFavicon(favicon: File) {
		const formData = new FormData();
		formData.append('file', favicon!);

		await this.api.put(`/application-images/favicon`, formData);
	}

	async updateLogo(logo: File, light = true) {
		const formData = new FormData();
		formData.append('file', logo!);

		await this.api.put(`/application-images/logo`, formData, {
			params: { light }
		});
		cachedApplicationLogo.bustCache(light);
	}

	async updateBackgroundImage(backgroundImage: File) {
		const formData = new FormData();
		formData.append('file', backgroundImage!);

		await this.api.put(`/application-images/background`, formData);
		cachedBackgroundImage.bustCache();
	}

	async sendTestEmail() {
		await this.api.post('/application-configuration/test-email');
	}

	async syncLdap() {
		await this.api.post('/application-configuration/sync-ldap');
	}

	private parseConfigList(data: AppConfigRawResponse) {
		const appConfig: Partial<AllAppConfig> = {};
		data.forEach(({ key, value }) => {
			(appConfig as any)[key] = this.parseValue(value);
		});

		return appConfig as AllAppConfig;
	}

	private parseValue(value: string) {
		// Try to parse JSON first
		try {
			const parsed = JSON.parse(value);
			if (typeof parsed === 'object' && parsed !== null) {
				return parsed;
			}
			value = String(parsed);
		} catch {}

		// Handle rest of the types
		if (value === 'true') {
			return true;
		} else if (value === 'false') {
			return false;
		} else if (/^-?\d+(\.\d+)?$/.test(value)) {
			return parseFloat(value);
		} else {
			return value;
		}
	}
}