#include "Attachement.h"

#include "json/json.h"
#include "json/layout.h"
#include "util/format.h"

#include "model/server.h"
#include "model/media.h"

bool int_to_string_callback( void* field_data, bool is_read, char** res );
bool preview_url_string_callback( void* field_data, bool is_read, char** res )
{
	struct media* m = field_data;
	if( !is_read ) {
		*res = aformat( "https://%s/media/%d/preview", g_server->domain, m->id );
		return true;
	}
	return false;
}
bool url_string_callback( void* field_data, bool is_read, char** res )
{
	struct media* m = field_data;
	if( !is_read ) {
		*res = aformat( "https://%s/media/%d/blob", g_server->domain, m->id );
		return true;
	}
	return false;
}
#define OBJ_TYPE struct media
static struct json_object_field api_Attachment_layout[] = {
	{
		.key = "id",
		.offset = offsetof( OBJ_TYPE, id ),
		.type = &json_field_callback_string,
		.string_callback = int_to_string_callback,
	},
	JSON_FIELD_FIXED_STRING( type, "image", true ),
	{
		.key = "preview_url",
		.offset = 0,
		.required = true,
		.type = &json_field_callback_string,
		.string_callback = preview_url_string_callback,
	},
	{
		.key = "url",
		.offset = 0,
		.required = true,
		.type = &json_field_callback_string,
		.string_callback = url_string_callback,
	},
	JSON_FIELD_END,
};
#undef OBJ_TYPE

void api_Attachement_write( struct media* m, FILE* f, int indent )
{
	struct json_writer jw = {
		.f = f,
		.indentation = "\t",
		.indent = indent,
	};

	json_write_pretty_object_layout( &jw, api_Attachment_layout, m );
}