import { IConfigParseResult } from '../libs/config-parse-result';
import {
    IPlugin, forwardChildWebpackConfigs, forwardChildPostBuilds,
    forwardChildIamRoleStatements
} from '../libs/plugin';
import {isAuthentication, getProviderKey, getClientSecret, AuthenticationProvider} from './authentication-component';
import * as deepmerge from 'deepmerge';

/**
 * Parameters that apply to the whole Plugin, passed by other plugins
 */
export interface IIdentityPlugin {

}

/**
 * We require an AuthenticationPlugin to forward the configuration from lower level webapps
 * TODO: refactor so that we don't need such dummy plugins!
 */
export const AuthenticationPlugin = (props: IIdentityPlugin): IPlugin => {
    const path = require('path');

    const result: IPlugin = {
        applies: (component):boolean => {

            return isAuthentication(component);
        },

        // convert the component into configuration parts
        // while the component is of Type `any`, its props must be of type `IDataLayerArgs` | `IDataLayerProps`
        process: (component:any,
                  childConfigs:Array<IConfigParseResult>,
                  infrastructureMode:string | undefined
        ):IConfigParseResult => {

            // we need to environment variable
            const slsEnv = {
                provider: {
                    environment: {
                    }

                }
            };
            slsEnv.provider.environment[getProviderKey(component.provider)] = getClientSecret(component.provider);

            console.log("slsEnv: ", slsEnv)

            const iamRoleStatements = [
                component.provider === AuthenticationProvider.EMAIL ? {
                    Effect: "Allow",
                    Action: [
                        "ses:SendEmail"
                    ],
                    Resource: [
                        '"arn:aws:ses:${self:provider.region}:*:identity/'+`${component.senderEmail}"`
                    ]
                } : {}
            ].concat(forwardChildIamRoleStatements(childConfigs));


            return {

                slsConfigs: deepmerge.all([slsEnv].concat(childConfigs.map(config => config.slsConfigs)) ),

                // add the server config
                webpackConfigs: forwardChildWebpackConfigs(childConfigs),

                postBuilds: forwardChildPostBuilds(childConfigs),

                iamRoleStatements: iamRoleStatements

                /* THESE VALUES MUST NOT BE PROVIDED BY A CHILD, THEY ARE NOT FORWARED UPWARDS

                environments: environments,

                //stackName: component.stackName,

                assetsPath: component.assetsPath,

                buildPath: component.buildPath,

                region: component.region,

                domain: domain,

                certArn: certArn,

                supportOfflineStart: true,

                supportCreateDomain: true
                   */
            }
        }
    };


    return result;

};