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#ifndef WP_RECORD_RING_H
#define WP_RECORD_RING_H

#include "wp_layout_shared.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#define WP_RECORD_RING_BLOCK_BYTES 0x800U

typedef struct WpRecordRingResult {
    size_t primary_compactions;
    size_t primary_bytes_dropped;
    size_t primary_bytes_moved;
    size_t secondary_slides;
    size_t secondary_bytes_shifted;
    size_t secondary_bytes_reserved;
    size_t secondary_space_probes;
    size_t secondary_space_satisfied;
    size_t secondary_space_failures;
    size_t overlay_advance_calls;
    size_t overlay_advance_completed;
    size_t overlay_advance_blocked;
    size_t gate_raise_calls;
    size_t overlay_resume_calls;
    size_t rom_flag_pulses;
    size_t record_block_bumps;
    size_t scale_fixed_point_bumps;
    size_t far_bump_calls;
    size_t far_bump_passthroughs;
    size_t far_bump_blocked;
    int scratch_depth_max;
    bool primary_underflow;
    bool secondary_gate_closed;
    bool secondary_insufficient_space;
    bool gate_already_raised;
    bool advance_blocked_by_gate;
    uint16_t old_record_used_bytes;
    uint16_t new_record_used_bytes;
    uint16_t old_secondary_used_bytes;
    uint16_t new_secondary_used_bytes;
    uint16_t old_record_buffer_space;
    uint16_t new_record_buffer_space;
    uint16_t old_record_stream_cursor;
    uint16_t new_record_stream_cursor;
    uint16_t record_stream_cursor_highwater;
    uint16_t computed_block_offset_low;
    uint16_t computed_block_offset_high;
} WpRecordRingResult;

void wp_record_ring_result_clear(WpRecordRingResult *result);
void wp_record_ring_result_merge(WpRecordRingResult *dst, const WpRecordRingResult *src);

bool wp_record_ring_compact_primary_by_2kb(WpLayoutGlobals *wl,
                                           WpRecordRingResult *out_result);

bool wp_record_ring_slide_secondary_by_2kb(WpLayoutGlobals *wl,
                                           WpRecordRingResult *out_result);

bool wp_record_ring_check_secondary_space(WpLayoutGlobals *wl,
                                          uint16_t required_bytes,
                                          WpRecordRingResult *out_result);

bool wp_record_ring_raise_gate_and_overlay_call(WpLayoutGlobals *wl,
                                                WpRecordRingResult *out_result);

bool wp_record_ring_overlay_advance_stream_block(WpLayoutGlobals *wl,
                                                 WpRecordRingResult *out_result);

bool wp_record_ring_far_bump_indices_if_ax(WpLayoutGlobals *wl,
                                           int16_t ax,
                                           bool carry_flag,
                                           WpRecordRingResult *out_result);

#endif
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