#include <assert.h>
#include <blue/core/ringbuffer.h>
#include <stdio.h>
#include <string.h>

#define BUF_SIZE 32

int main(void)
{
	b_ringbuffer *buf = b_ringbuffer_create(BUF_SIZE);

	size_t read_available = b_ringbuffer_available_data_remaining(buf);
	size_t write_available = b_ringbuffer_write_capacity_remaining(buf);

	printf("read available: %zu\n", read_available);
	printf("write available: %zu\n", write_available);

	assert(read_available == 0);
	assert(write_available == BUF_SIZE - 1);

	const char ch = 'X';
	printf("putc(%c)\n", ch);

	b_ringbuffer_putc(buf, ch);
	read_available = b_ringbuffer_available_data_remaining(buf);
	write_available = b_ringbuffer_write_capacity_remaining(buf);
	printf("read available: %zu\n", read_available);
	printf("write available: %zu\n", write_available);
	assert(read_available == 1);
	assert(write_available == BUF_SIZE - 2);

	int c = b_ringbuffer_getc(buf);
	printf("getc() = %c\n", c);
	assert(c == ch);

	const char s[]
		= "A very long string that is designed to overflow the "
		  "ringbuffer";
	size_t s_len = strlen(s);

	size_t nr_written = 0;
	printf("write(%s)\n", s);
	b_ringbuffer_write(buf, s, s_len, &nr_written);
	read_available = b_ringbuffer_available_data_remaining(buf);
	write_available = b_ringbuffer_write_capacity_remaining(buf);
	printf("read available: %zu\n", read_available);
	printf("write available: %zu\n", write_available);
	assert(read_available == BUF_SIZE - 1);
	assert(write_available == 0);

	char data[BUF_SIZE + 32] = {0};
	size_t nr_read = 0;
	b_ringbuffer_read(buf, data, sizeof data, &nr_read);
	printf("read(%u) = %zu bytes\n", BUF_SIZE + 32, nr_read);
	printf("         = %s\n", data);
	read_available = b_ringbuffer_available_data_remaining(buf);
	write_available = b_ringbuffer_write_capacity_remaining(buf);
	printf("read available: %zu\n", read_available);
	printf("write available: %zu\n", write_available);
	assert(read_available == 0);
	assert(write_available == BUF_SIZE - 1);

	b_ringbuffer_destroy(buf);

	return 0;
}