import { CliCommandDefinition, CliCommandHandler, CliProgramDefinition, ParsedCliCommand } from '@cirrusct/cli';
import { MrCliCommandGlobalOptions, mrCliGlobalOptions, MrCommand, MrService } from '@cirrusct/mr-core';
import { mrCliDebugCliOptions } from './debug/MrCliDebugCliOptions';

const createCliCommandHandler = (mrCommand: MrCommand, mrService: MrService): CliCommandHandler => {
    return async <TOptions extends MrCliCommandGlobalOptions>(
        args: {},
        options: TOptions,
        parsedCmd?: ParsedCliCommand<TOptions>
    ) => {
        const session = await mrService.createSession({
            includeDependencyTypes: options.deps,
            scope: options.scope,
        });

        await mrCommand.run(session, args, options, parsedCmd);
    };
};

const createCliCommandDefinitions = (mrService: MrService): CliCommandDefinition[] => {
    return Object.keys(mrService.commandService.commands).map<CliCommandDefinition>(k => {
        const mrCommand = mrService.commandService.commands[k];
        const cliDef = mrService.commandService.commands[k].definition.cli;
        return {
            ...cliDef,
            handler: createCliCommandHandler(mrCommand, mrService),
        };
    });
};

/**
 * Create Cli Program Definition from MrCommand definitions
 * @param cliEnv CliEnvironment Instance
 */
export const createCliProgramDefinition = (mrService: MrService): CliProgramDefinition => {
    const program: CliProgramDefinition = {
        commands: createCliCommandDefinitions(mrService),
        description: 'Mr Cli',
        name: 'mr',
        options: mrCliGlobalOptions.concat(mrCliDebugCliOptions),
    };

    return program;
};