import { Command, Options, Args } from "@effect/cli";
import { Console, Effect } from "effect";
import { api, decodeOrFail } from "../api.js";
import { LabelsResponseSchema, LabelSchema } from "../config.js";
import { resolveProject } from "../resolve.js";
import { jsonMode, xmlMode, toXml } from "../output.js";

const projectArg = Args.text({ name: "project" }).pipe(
	Args.withDescription("Project identifier (e.g. PROJ, WEB, OPS)"),
);

// --- labels list ---

export const labelsList = Command.make(
	"list",
	{ project: projectArg },
	({ project }) =>
		Effect.gen(function* () {
			const { id } = yield* resolveProject(project);
			const raw = yield* api.get(`projects/${id}/labels/`);
			const { results } = yield* decodeOrFail(LabelsResponseSchema, raw);
			if (jsonMode) {
				yield* Console.log(JSON.stringify(results, null, 2));
				return;
			}
			if (xmlMode) {
				yield* Console.log(toXml(results));
				return;
			}
			if (results.length === 0) {
				yield* Console.log("No labels found");
				return;
			}
			const lines = results.map(
				(l) => `${l.id}  ${(l.color ?? "").padEnd(8)}  ${l.name}`,
			);
			yield* Console.log(lines.join("\n"));
		}),
);

// --- labels create ---

const nameArg = Args.text({ name: "name" }).pipe(
	Args.withDescription("Label name"),
);
const colorOption = Options.optional(Options.text("color")).pipe(
	Options.withDescription("Hex color e.g. #ff0000"),
);

export const labelsCreate = Command.make(
	"create",
	{ color: colorOption, project: projectArg, name: nameArg },
	({ project, name, color }) =>
		Effect.gen(function* () {
			const { id } = yield* resolveProject(project);
			interface LabelPayload {
				name: string;
				color?: string;
			}
			const body: LabelPayload = { name };
			if (color._tag === "Some") body.color = color.value;
			const raw = yield* api.post(`projects/${id}/labels/`, body);
			const label = yield* decodeOrFail(LabelSchema, raw);
			yield* Console.log(`Created label: ${label.name} (${label.id})`);
		}),
);

export const labels = Command.make("labels").pipe(
	Command.withSubcommands([labelsList, labelsCreate]),
);