import type { Theme } from "@earendil-works/pi-coding-agent";
import {
	type CodexConversionConfig,
	normalizeProviderList,
} from "../../adapter/activation/config.ts";
import { editorCommand } from "./config-editor.ts";
import {
	type ConfigSetting,
	setting,
	TextSettingSubmenu,
} from "./config-items-shared.ts";

export function buildAdapterSettings(
	config: CodexConversionConfig,
	theme: Theme,
): ConfigSetting[] {
	return [
		setting(
			{
				id: "extensionMode",
				label: "Extension mode",
				currentValue: config.voiceFeaturesOnly
					? "voice only"
					: "adapter and voice",
				values: ["adapter and voice", "voice only"],
			},
			(value, current) => ({
				...current,
				voiceFeaturesOnly: value === "voice only",
			}),
		),
		setting(
			{
				id: "allProviders",
				label: "Provider scope",
				currentValue: formatAllProvidersMode(config.scope.allProviders),
				values: ["Codex and configured", "all providers", "extra tools only"],
			},
			(value, current) => ({
				...current,
				scope: {
					...current.scope,
					allProviders: parseAllProvidersMode(value),
				},
			}),
		),
		setting(
			{
				id: "additionalProviders",
				label: "Additional providers",
				currentValue: config.scope.additionalProviders.join(", "),
				submenu: (currentValue, done) =>
					new TextSettingSubmenu(
						"Additional providers",
						"Comma-separated provider ids that should use the adapter.",
						currentValue,
						(value) => done(normalizeCodexProviderText(value)),
						() => done(),
						theme,
					),
			},
			(value, current) => ({
				...current,
				scope: {
					...current.scope,
					additionalProviders: normalizeProviderList(value.split(",")),
				},
			}),
		),
		setting(
			{
				id: "heavySystemPromptOverwrite",
				label: "Heavy system prompt overwrite",
				currentValue: config.prompt.heavySystemPromptOverwrite
					? "on (40% smaller)"
					: "off",
				values: ["off", "on (40% smaller)"],
			},
			(value, current) => ({
				...current,
				prompt: {
					...current.prompt,
					heavySystemPromptOverwrite: value !== "off",
				},
			}),
		),
		{
			item: {
				id: "editConfig",
				label: "Edit config",
				currentValue: editorCommand()
					? "Opens in default editor (please /reload)"
					: "Set $EDITOR",
				values: editorCommand() ? ["Open"] : ["Unavailable"],
			},
			action: "edit-config",
		},
	];
}

function formatAllProvidersMode(
	value: CodexConversionConfig["scope"]["allProviders"],
): string {
	if (value === "on") return "all providers";
	if (value === "extras") return "extra tools only";
	return "Codex and configured";
}

function parseAllProvidersMode(
	value: string,
): CodexConversionConfig["scope"]["allProviders"] {
	if (value === "all providers") return "on";
	if (value === "extra tools only") return "extras";
	return "off";
}

function normalizeCodexProviderText(value: string): string {
	return normalizeProviderList(value.split(",")).join(", ");
}