import { mutation, query } from './_generated/server.js';
import { requireOwner } from './lib.js';
import {
	dashboardRangeValidator,
	editorModeValidator,
	moodValidator,
	themePreferenceValidator
} from './validators.js';

const defaults = {
	theme: 'system' as const,
	defaultMood: 'neutral' as const,
	editorMode: 'split' as const,
	dashboardRange: '30d' as const
};

export const get = query({
	args: {},
	handler: async (ctx) => {
		const owner = await requireOwner(ctx);
		const settings = await ctx.db
			.query('settings')
			.withIndex('by_owner', (q) => q.eq('owner', owner))
			.unique();

		return settings ?? defaults;
	}
});

export const save = mutation({
	args: {
		theme: themePreferenceValidator,
		defaultMood: moodValidator,
		editorMode: editorModeValidator,
		dashboardRange: dashboardRangeValidator
	},
	handler: async (ctx, args) => {
		const owner = await requireOwner(ctx);
		const existing = await ctx.db
			.query('settings')
			.withIndex('by_owner', (q) => q.eq('owner', owner))
			.unique();
		const next = { ...args, owner, updatedAt: Date.now() };

		if (existing) {
			await ctx.db.patch(existing._id, next);
			return existing._id;
		}

		return await ctx.db.insert('settings', next);
	}
});