#include "notice.h"

// Submodules
#include "http/server/request.h"
#include "http/query.h"
#include "ffdb/fs_list.h"
#include "model/notification.h"
#include "collections/array.h"

// Model
#include "model/status.h"

// View
#include "view/api/Notification.h"

// Stdlib
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>

void show_notifications( struct http_request* req, struct notification** ns, int count )
{
	http_request_send_headers( req, 200, "application/json", true );
	FILE* f = http_request_get_response_body( req );

	fprintf( f, "[" );
	for( int i = 0; i < count; ++i ) {
		if( i > 0 ) {
			fprintf( f, "," );
		}
		api_Notification_write( ns[i], f, 1 );
	}
	fprintf( f, "]" );
}

bool handle_notifications( struct http_request* req )
{
	struct {
		struct notification** items;
		int count;
	} notes;
	memset(&notes,0,sizeof(notes));

	struct params_t
	{
		bool with_muted;
		int limit;
		int since_id;
	} params = {
		.limit = 32,
		.since_id = 0,
		.with_muted = false,
	};

	#define OBJ_TYPE struct params_t
	static struct http_query_fields fields[] = {
		HTTP_QUERY_FIELD_INT( limit )
		HTTP_QUERY_FIELD_INT( since_id )
		HTTP_QUERY_FIELD_BOOL( with_muted )
		HTTP_QUERY_FIELD_END
	};
	#undef OBJ_TYPE

	// Handle query parameters
	if( http_request_route( req, "?" ) ) {
		http_query_parse( req, fields, &params );
	}
	if( params.limit > 32 ) {
		params.limit = 32;
	}

	int note_count = fs_list_get("data/notices/HEAD");

	for( int note_id = note_count; (notes.count < params.limit) && ( note_id > params.since_id ); note_id -= 1 ) {
		struct notification* n = notification_from_id(note_id);

		// Apply filters
		if( !n ) { goto exclude; }
		if( n ) {
			// if( n->muted && !params.with_muted ) { goto exclude; }
		}

		goto include;
		include:
			array_append( &notes, sizeof(void*), &n );
			continue;
		exclude:
			notification_free(n);
			continue;
	}

	show_notifications( req, notes.items, notes.count );
	for( int i = 0; i < notes.count; ++i ) {
		notification_free(notes.items[i]);
	}
	free(notes.items);

	return true;
}