/**
 * rGov module — Modular governance decision circuits (GovMods).
 *
 * Do-ocratic circuit components for multiplayer collaboration around
 * shared goals. Wire together governance primitives on a shared canvas:
 * signoff gates, resource thresholds, tunable knobs, project aggregators,
 * and amendable circuits.
 */

import { Hono } from "hono";
import { resolve } from "path";
import { renderShell } from "../../server/shell";
import { getModuleInfoList } from "../../shared/module";
import type { RSpaceModule } from "../../shared/module";
import { renderLanding } from "./landing";
import { addShapes, getDocumentData } from "../../server/community-store";

const routes = new Hono();

// ── Canvas content loader (same approach as rspace module) ──

const DIST_DIR = resolve(import.meta.dir, "../../dist");
let canvasCache: { body: string; styles: string; scripts: string } | null = null;

function extractCanvasContent(html: string) {
	const bodyMatch = html.match(/<body[^>]*>([\s\S]*?)<\/body>/i);
	const styleMatches = [...html.matchAll(/<style[^>]*>([\s\S]*?)<\/style>/gi)];
	const scriptMatches = [...html.matchAll(/<script[^>]*>[\s\S]*?<\/script>/gi)];
	return {
		body: bodyMatch?.[1] || "",
		styles: styleMatches.map(m => m[0]).join("\n"),
		scripts: scriptMatches.map(m => m[0]).join("\n"),
	};
}

async function getCanvasContent() {
	if (canvasCache) return canvasCache;

	const moduleFile = Bun.file(resolve(DIST_DIR, "canvas-module.html"));
	if (await moduleFile.exists()) {
		canvasCache = {
			body: await moduleFile.text(),
			styles: "",
			scripts: `<script type="module" src="/canvas-module.js"></script>`,
		};
		return canvasCache;
	}

	const fullFile = Bun.file(resolve(DIST_DIR, "canvas.html"));
	if (await fullFile.exists()) {
		canvasCache = extractCanvasContent(await fullFile.text());
		return canvasCache;
	}

	return {
		body: `<div style="padding:2rem;text-align:center;color:#64748b;">Canvas loading...</div>`,
		styles: "",
		scripts: "",
	};
}

// ── Module page (within a space) — renders canvas directly ──

routes.get("/", async (c) => {
	const space = c.req.param("space") || "demo";
	const canvas = await getCanvasContent();

	return c.html(renderShell({
		title: `${space} — rGov | rSpace`,
		moduleId: "rgov",
		spaceSlug: space,
		modules: getModuleInfoList(),
		theme: "dark",
		body: canvas.body,
		styles: canvas.styles,
		scripts: canvas.scripts,
	}));
});

// ── API: list gov shapes in a space ──

routes.get("/api/shapes", (c) => {
	return c.json({
		info: "Gov shapes are stored in the space's Automerge document. Query the canvas shapes map for types listed below.",
		types: [
			"folk-gov-binary",
			"folk-gov-threshold",
			"folk-gov-knob",
			"folk-gov-project",
			"folk-gov-amendment",
			"folk-gov-quadratic",
			"folk-gov-conviction",
			"folk-gov-multisig",
			"folk-gov-sankey",
		],
	});
});

// ── Seed template: example governance circuits ──

function seedTemplateGov(space: string) {
	const docData = getDocumentData(space);
	const govTypes = [
		"folk-gov-binary", "folk-gov-threshold", "folk-gov-knob",
		"folk-gov-project", "folk-gov-amendment",
		"folk-gov-quadratic", "folk-gov-conviction", "folk-gov-multisig", "folk-gov-sankey",
	];
	if (docData?.shapes) {
		const existing = Object.values(docData.shapes as Record<string, any>)
			.filter((s: any) => !s.forgotten && govTypes.includes(s.type));
		if (existing.length > 0) return;
	}

	const now = Date.now();

	// ── Circuit 1: "Build a Climbing Wall" ──
	// Labor threshold + Capital threshold + Proprietor signoff → Project aggregator
	const laborId = `gov-labor-${now}`;
	const capitalId = `gov-capital-${now}`;
	const signoffId = `gov-signoff-${now}`;
	const projectId = `gov-project-${now}`;

	// ── Circuit 2: "Community Event Approval" ──
	// Budget knob → Attendance threshold, plus Venue signoff → Event project
	const knobId = `gov-knob-${now}`;
	const attendId = `gov-attend-${now}`;
	const venueId = `gov-venue-${now}`;
	const eventId = `gov-event-${now}`;

	const baseY = 2600;

	const shapes: Record<string, unknown>[] = [
		// ── Circuit 1 shapes ──
		{
			id: laborId, type: "folk-gov-threshold",
			x: 50, y: baseY, width: 240, height: 160, rotation: 0,
			title: "Labor Contributed", target: 50, unit: "hours",
			contributions: [
				{ who: "Alice", amount: 12, timestamp: now - 86400000 },
				{ who: "Bob", amount: 8, timestamp: now - 43200000 },
			],
		},
		{
			id: capitalId, type: "folk-gov-threshold",
			x: 50, y: baseY + 200, width: 240, height: 160, rotation: 0,
			title: "Capital Raised", target: 3000, unit: "$",
			contributions: [
				{ who: "Community Fund", amount: 1500, timestamp: now - 172800000 },
				{ who: "Sponsor A", amount: 500, timestamp: now - 86400000 },
			],
		},
		{
			id: signoffId, type: "folk-gov-binary",
			x: 50, y: baseY + 440, width: 240, height: 120, rotation: 0,
			title: "Proprietor Approval", assignee: "Dana (proprietor)",
			satisfied: false, signedBy: "", timestamp: 0,
		},
		{
			id: projectId, type: "folk-gov-project",
			x: 400, y: baseY + 140, width: 300, height: 240, rotation: 0,
			title: "Build a Climbing Wall",
			description: "Community climbing wall project — requires labor, capital, and proprietor signoff.",
			status: "active",
		},
		// Arrows wiring Circuit 1
		{
			id: `gov-arrow-labor-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: laborId, targetId: projectId, color: "#0891b2",
		},
		{
			id: `gov-arrow-capital-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: capitalId, targetId: projectId, color: "#0891b2",
		},
		{
			id: `gov-arrow-signoff-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: signoffId, targetId: projectId, color: "#7c3aed",
		},

		// ── Circuit 2 shapes ──
		{
			id: knobId, type: "folk-gov-knob",
			x: 800, y: baseY, width: 200, height: 170, rotation: 0,
			title: "Event Budget", min: 100, max: 5000, step: 100,
			value: 1500, unit: "$", cooldown: 0,
		},
		{
			id: attendId, type: "folk-gov-threshold",
			x: 800, y: baseY + 210, width: 240, height: 160, rotation: 0,
			title: "RSVPs Collected", target: 20, unit: "people",
			contributions: [
				{ who: "Mailing list", amount: 14, timestamp: now - 86400000 },
			],
		},
		{
			id: venueId, type: "folk-gov-binary",
			x: 800, y: baseY + 410, width: 240, height: 120, rotation: 0,
			title: "Venue Confirmed", assignee: "Events Team",
			satisfied: true, signedBy: "Carlos", timestamp: now - 43200000,
		},
		{
			id: eventId, type: "folk-gov-project",
			x: 1140, y: baseY + 140, width: 300, height: 240, rotation: 0,
			title: "Community Potluck",
			description: "Monthly community potluck — needs budget, RSVPs, and venue confirmation.",
			status: "active",
		},
		// Arrows wiring Circuit 2
		{
			id: `gov-arrow-knob-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: knobId, targetId: eventId, color: "#b45309",
		},
		{
			id: `gov-arrow-attend-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: attendId, targetId: eventId, color: "#0891b2",
		},
		{
			id: `gov-arrow-venue-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: venueId, targetId: eventId, color: "#7c3aed",
		},
	];

	// ── Circuit 3: "Delegated Budget Approval" ──
	// Quadratic transform → Conviction gate, plus 3-of-5 Multisig → Project, plus Sankey visualizer
	const quadId = `gov-quad-${now}`;
	const convId = `gov-conv-${now}`;
	const msigId = `gov-msig-${now}`;
	const budgetProjId = `gov-budgetproj-${now}`;
	const sankeyId = `gov-sankey-${now}`;

	const c3BaseY = baseY + 700;

	shapes.push(
		// Quadratic weight transform
		{
			id: quadId, type: "folk-gov-quadratic",
			x: 1600, y: c3BaseY, width: 240, height: 160, rotation: 0,
			title: "Vote Weight Dampener", mode: "sqrt",
			entries: [
				{ who: "Whale", raw: 100, effective: 10 },
				{ who: "Alice", raw: 4, effective: 2 },
				{ who: "Bob", raw: 1, effective: 1 },
			],
		},
		// Conviction accumulator
		{
			id: convId, type: "folk-gov-conviction",
			x: 1600, y: c3BaseY + 200, width: 240, height: 200, rotation: 0,
			title: "Community Support", convictionMode: "gate", threshold: 5,
			stakes: [
				{ userId: "u1", userName: "Alice", optionId: "gate", weight: 2, since: now - 7200000 },
				{ userId: "u2", userName: "Bob", optionId: "gate", weight: 1, since: now - 3600000 },
			],
		},
		// Multisig 3-of-5
		{
			id: msigId, type: "folk-gov-multisig",
			x: 1600, y: c3BaseY + 440, width: 260, height: 220, rotation: 0,
			title: "Council Approval", requiredM: 3,
			signers: [
				{ name: "Alice", signed: true, timestamp: now - 86400000 },
				{ name: "Bob", signed: true, timestamp: now - 43200000 },
				{ name: "Carol", signed: false, timestamp: 0 },
				{ name: "Dave", signed: false, timestamp: 0 },
				{ name: "Eve", signed: false, timestamp: 0 },
			],
		},
		// Project aggregator
		{
			id: budgetProjId, type: "folk-gov-project",
			x: 1960, y: c3BaseY + 180, width: 300, height: 240, rotation: 0,
			title: "Delegated Budget Approval",
			description: "Budget approval with quadratic dampening, time-weighted conviction, and council multisig.",
			status: "active",
		},
		// Sankey visualizer
		{
			id: sankeyId, type: "folk-gov-sankey",
			x: 2320, y: c3BaseY + 100, width: 380, height: 300, rotation: 0,
			title: "Governance Flow",
		},
		// Arrows wiring Circuit 3
		{
			id: `gov-arrow-quad-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: quadId, targetId: budgetProjId, color: "#14b8a6",
		},
		{
			id: `gov-arrow-conv-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: convId, targetId: budgetProjId, color: "#d97706",
		},
		{
			id: `gov-arrow-msig-${now}`, type: "folk-arrow",
			x: 0, y: 0, width: 0, height: 0, rotation: 0,
			sourceId: msigId, targetId: budgetProjId, color: "#6366f1",
		},
	);

	addShapes(space, shapes);
	console.log(`[rGov] Template seeded for "${space}": 3 circuits (13 shapes + 9 arrows)`);
}

// ── Module export ──

export const govModule: RSpaceModule = {
	id: "rgov",
	name: "rGov",
	icon: "⚖️",
	description: "Modular governance decision circuits (GovMods)",
	routes,
	scoping: { defaultScope: "space", userConfigurable: false },
	landingPage: renderLanding,
	seedTemplate: seedTemplateGov,
	canvasShapes: [
		"folk-gov-binary",
		"folk-gov-threshold",
		"folk-gov-knob",
		"folk-gov-project",
		"folk-gov-amendment",
		"folk-gov-quadratic",
		"folk-gov-conviction",
		"folk-gov-multisig",
		"folk-gov-sankey",
	],
	canvasToolIds: [
		"create_binary_gate",
		"create_threshold",
		"create_gov_knob",
		"create_gov_project",
		"create_amendment",
		"create_quadratic_transform",
		"create_conviction_gate",
		"create_multisig_gate",
		"create_sankey_visualizer",
	],
	onboardingActions: [
		{ label: "Build a Circuit", icon: "⚖️", description: "Create a governance decision circuit on the canvas", type: 'create', href: '/rgov' },
	],
};