import type {
	ExtensionAPI,
	ExtensionCommandContext,
} from "@singularity-forge/pi-coding-agent";
import { handleRemote } from "../../../remote-questions/mod.js";
import { dispatchDirectPhase } from "../../auto-direct-dispatch.js";
import { handleConfig } from "../../commands-config.js";
import {
	handleCapture,
	handleDoctor,
	handleKnowledge,
	handleRunHook,
	handleSkillHealth,
	handleSteer,
	handleTriage,
	handleUpdate,
} from "../../commands-handlers.js";
import { handleInspect } from "../../commands-inspect.js";
import { handleLogs } from "../../commands-logs.js";
import {
	handleCleanupBranches,
	handleCleanupProjects,
	handleCleanupSnapshots,
	handleCleanupWorktrees,
	handleRecover,
	handleSkip,
} from "../../commands-maintenance.js";
import { handlePrBranch } from "../../commands-pr-branch.js";
import { handleSessionReport } from "../../commands-session-report.js";
import { handleShip } from "../../commands-ship.js";
import { handleExport } from "../../export.js";
import { handleHistory } from "../../history.js";
import { handleUndo } from "../../undo.js";
import { projectRoot } from "../context.js";

export async function handleOpsCommand(
	trimmed: string,
	ctx: ExtensionCommandContext,
	pi: ExtensionAPI,
): Promise<boolean> {
	if (trimmed === "init") {
		const { detectProjectState } = await import("../../detection.js");
		const { handleReinit, showProjectInit } = await import(
			"../../init-wizard.js"
		);
		const basePath = projectRoot();
		const detection = detectProjectState(basePath);
		if (detection.state === "v2-sf" || detection.state === "v2-sf-empty") {
			await handleReinit(ctx, detection);
		} else {
			await showProjectInit(ctx, pi, basePath, detection);
		}
		return true;
	}
	if (trimmed === "keys" || trimmed.startsWith("keys ")) {
		const { handleKeys } = await import("../../key-manager.js");
		await handleKeys(trimmed.replace(/^keys\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "doctor" || trimmed.startsWith("doctor ")) {
		await handleDoctor(trimmed.replace(/^doctor\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "logs" || trimmed.startsWith("logs ")) {
		await handleLogs(trimmed.replace(/^logs\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "forensics" || trimmed.startsWith("forensics ")) {
		const { handleForensics } = await import("../../forensics.js");
		await handleForensics(trimmed.replace(/^forensics\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "scan" || trimmed.startsWith("scan ")) {
		const { handleScan } = await import("../../commands-scan.js");
		await handleScan(trimmed.replace(/^scan\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "changelog" || trimmed.startsWith("changelog ")) {
		const { handleChangelog } = await import("../../changelog.js");
		await handleChangelog(trimmed.replace(/^changelog\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "history" || trimmed.startsWith("history ")) {
		await handleHistory(
			trimmed.replace(/^history\s*/, "").trim(),
			ctx,
			projectRoot(),
		);
		return true;
	}
	if (trimmed === "undo-task" || trimmed.startsWith("undo-task ")) {
		const { handleUndoTask } = await import("../../undo.js");
		await handleUndoTask(
			trimmed.replace(/^undo-task\s*/, "").trim(),
			ctx,
			pi,
			projectRoot(),
		);
		return true;
	}
	if (trimmed === "reset-slice" || trimmed.startsWith("reset-slice ")) {
		const { handleResetSlice } = await import("../../undo.js");
		await handleResetSlice(
			trimmed.replace(/^reset-slice\s*/, "").trim(),
			ctx,
			pi,
			projectRoot(),
		);
		return true;
	}
	if (trimmed === "undo" || trimmed.startsWith("undo ")) {
		await handleUndo(
			trimmed.replace(/^undo\s*/, "").trim(),
			ctx,
			pi,
			projectRoot(),
		);
		return true;
	}
	if (trimmed === "skip") {
		ctx.ui.notify(
			"Usage: /sf skip <unit-id>  Example: /sf skip M001/S01/T03",
			"warning",
		);
		return true;
	}
	if (trimmed.startsWith("skip ")) {
		await handleSkip(
			trimmed.replace(/^skip\s*/, "").trim(),
			ctx,
			projectRoot(),
		);
		return true;
	}
	if (trimmed === "recover") {
		await handleRecover(ctx, projectRoot());
		return true;
	}
	if (trimmed === "export" || trimmed.startsWith("export ")) {
		await handleExport(
			trimmed.replace(/^export\s*/, "").trim(),
			ctx,
			projectRoot(),
		);
		return true;
	}
	if (
		trimmed === "cleanup projects" ||
		trimmed.startsWith("cleanup projects ")
	) {
		await handleCleanupProjects(
			trimmed.replace(/^cleanup projects\s*/, "").trim(),
			ctx,
		);
		return true;
	}
	if (trimmed === "cleanup worktrees") {
		await handleCleanupWorktrees(ctx, projectRoot());
		return true;
	}
	if (trimmed === "cleanup") {
		await handleCleanupBranches(ctx, projectRoot());
		await handleCleanupSnapshots(ctx, projectRoot());
		return true;
	}
	if (trimmed === "cleanup branches") {
		await handleCleanupBranches(ctx, projectRoot());
		return true;
	}
	if (trimmed === "cleanup snapshots") {
		await handleCleanupSnapshots(ctx, projectRoot());
		return true;
	}
	if (trimmed.startsWith("capture ") || trimmed === "capture") {
		await handleCapture(trimmed.replace(/^capture\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "triage" || trimmed.startsWith("triage ")) {
		await handleTriage(
			trimmed.replace(/^triage\s*/, "").trim(),
			ctx,
			pi,
			process.cwd(),
		);
		return true;
	}
	if (trimmed === "todo" || trimmed.startsWith("todo ")) {
		const { handleTodo } = await import("../../commands-todo.js");
		await handleTodo(trimmed.replace(/^todo\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "config") {
		await handleConfig(ctx);
		return true;
	}
	if (trimmed === "hooks") {
		const { formatHookStatus } = await import("../../post-unit-hooks.js");
		ctx.ui.notify(formatHookStatus(), "info");
		return true;
	}
	if (trimmed === "skill-health" || trimmed.startsWith("skill-health ")) {
		await handleSkillHealth(
			trimmed.replace(/^skill-health\s*/, "").trim(),
			ctx,
		);
		return true;
	}
	if (trimmed.startsWith("run-hook ")) {
		await handleRunHook(trimmed.replace(/^run-hook\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "run-hook") {
		ctx.ui.notify(
			`Usage: /sf run-hook <hook-name> <unit-type> <unit-id>

Unit types:
  execute-task   - Task execution (unit-id: M001/S01/T01)
  plan-slice     - Slice planning (unit-id: M001/S01)
  research-milestone - Milestone research (unit-id: M001)
  complete-slice - Slice completion (unit-id: M001/S01)
  complete-milestone - Milestone completion (unit-id: M001)

Examples:
  /sf run-hook code-review execute-task M001/S01/T01
  /sf run-hook lint-check plan-slice M001/S01`,
			"warning",
		);
		return true;
	}
	if (trimmed.startsWith("steer ")) {
		await handleSteer(trimmed.replace(/^steer\s+/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "steer") {
		ctx.ui.notify(
			"Usage: /sf steer <description of change>. Example: /sf steer Use Postgres instead of SQLite",
			"warning",
		);
		return true;
	}
	if (trimmed.startsWith("knowledge ")) {
		await handleKnowledge(trimmed.replace(/^knowledge\s+/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "knowledge") {
		ctx.ui.notify(
			"Usage: /sf knowledge <rule|pattern|lesson> <description>. Example: /sf knowledge rule Use real DB for integration tests",
			"warning",
		);
		return true;
	}
	if (trimmed === "harness" || trimmed.startsWith("harness ")) {
		const { handleHarness } = await import("../../commands-harness.js");
		await handleHarness(trimmed.replace(/^harness\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "migrate" || trimmed.startsWith("migrate ")) {
		const { handleMigrate } = await import("../../migrate/command.js");
		await handleMigrate(trimmed.replace(/^migrate\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "remote" || trimmed.startsWith("remote ")) {
		await handleRemote(trimmed.replace(/^remote\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "dispatch" || trimmed.startsWith("dispatch ")) {
		const phase = trimmed.replace(/^dispatch\s*/, "").trim();
		if (!phase) {
			ctx.ui.notify(
				"Usage: /sf dispatch <phase>  (research|plan|execute|complete|reassess|uat|replan)",
				"warning",
			);
			return true;
		}
		await dispatchDirectPhase(ctx, pi, phase, projectRoot());
		return true;
	}
	if (trimmed === "notifications" || trimmed.startsWith("notifications ")) {
		const { handleNotificationsCommand } = await import(
			"./notifications-handler.js"
		);
		await handleNotificationsCommand(
			trimmed.replace(/^notifications\s*/, "").trim(),
			ctx,
			pi,
		);
		return true;
	}
	if (trimmed === "inspect") {
		await handleInspect(ctx);
		return true;
	}
	if (trimmed === "update") {
		await handleUpdate(ctx);
		return true;
	}
	if (trimmed === "fast" || trimmed.startsWith("fast ")) {
		const { handleFast } = await import("../../service-tier.js");
		await handleFast(trimmed.replace(/^fast\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "mcp" || trimmed.startsWith("mcp ")) {
		const { handleMcpStatus } = await import("../../commands-mcp-status.js");
		await handleMcpStatus(trimmed.replace(/^mcp\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "extensions" || trimmed.startsWith("extensions ")) {
		const { handleExtensions } = await import("../../commands-extensions.js");
		await handleExtensions(trimmed.replace(/^extensions\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "rethink") {
		const { handleRethink } = await import("../../rethink.js");
		await handleRethink(trimmed, ctx, pi);
		return true;
	}
	if (trimmed === "codebase" || trimmed.startsWith("codebase ")) {
		const { handleCodebase } = await import("../../commands-codebase.js");
		await handleCodebase(trimmed.replace(/^codebase\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "ship" || trimmed.startsWith("ship ")) {
		await handleShip(trimmed.replace(/^ship\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (trimmed === "session-report" || trimmed.startsWith("session-report ")) {
		await handleSessionReport(
			trimmed.replace(/^session-report\s*/, "").trim(),
			ctx,
		);
		return true;
	}
	if (trimmed === "pr-branch" || trimmed.startsWith("pr-branch ")) {
		await handlePrBranch(trimmed.replace(/^pr-branch\s*/, "").trim(), ctx);
		return true;
	}
	if (trimmed === "add-tests" || trimmed.startsWith("add-tests ")) {
		const { handleAddTests } = await import("../../commands-add-tests.js");
		await handleAddTests(trimmed.replace(/^add-tests\s*/, "").trim(), ctx, pi);
		return true;
	}
	if (
		trimmed === "extract-learnings" ||
		trimmed.startsWith("extract-learnings ")
	) {
		const { handleExtractLearnings } = await import(
			"../../commands-extract-learnings.js"
		);
		await handleExtractLearnings(
			trimmed.replace(/^extract-learnings\s*/, "").trim(),
			ctx,
			pi,
		);
		return true;
	}
	return false;
}