/*
 * Framework-Native Vector Container
 * Replaces Docker (400 MB) with pure mathematical context (~20 KB)
 *
 * Philosophy: Containers are not processes - they are mathematical boundaries.
 * No filesystem virtualization, no process isolation, no kernel overhead.
 * Just continuous transformations in vector space.
 */

#ifndef VECTOR_CONTAINER_H
#define VECTOR_CONTAINER_H

#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <complex.h>

/* Define math constants if not available */
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifndef M_E
#define M_E 2.71828182845904523536
#endif

/* Golden Ratio Constants (from holographic glyphs) */
#define PHI 1.618033988749895
#define INV_PHI 0.618033988749895
#define PI_PHI 1.941991119639191

/* Vector Space Dimensions */
#define FOURIER_COEFFS 12          /* Top 12 harmonics (φ-scaled) */
#define DCT_COEFFS 8               /* DCT alternative */
#define BREATHING_SEEDS 8          /* Convergent compression seeds */
#define GLYPH_HARMONICS 12         /* Holographic interference */
#define VECTOR_DIM 64              /* Base vector dimension */

/* DNA Encoding (Onion Shell) */
#define DNA_NEGATIVE 'A'
#define DNA_NEUTRAL 'G'
#define DNA_POSITIVE 'T'
#define DNA_CYTOSINE 'C'

/* ═══════════════════════════════════════════════════════
 * TERNARY STATE (from POTSafeMath)
 * Maps perfectly to analog consensus phase states
 * ═══════════════════════════════════════════════════════ */
typedef enum {
    TERNARY_NEGATIVE = 0,  // φ-modulated: [0, 1)
    TERNARY_NEUTRAL  = 1,  // φ-modulated: [1, 2)
    TERNARY_POSITIVE = 2   // φ-modulated: [2, 3)
} TernaryState;

/* ═══════════════════════════════════════════════════════
 * CONTINUOUS FUNCTION (Analog Consensus Parameters)
 * Replaces filesystem - state is continuous, not discrete
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    double *samples;           /* Time-series samples */
    size_t count;              /* Number of samples */
    double mean;               /* DC offset */
    double variance;           /* Statistical variance */
    double phi_weight;         /* Golden ratio weighting */
    TernaryState state;        /* Ternary classification */
} ContinuousFunction;

/* ═══════════════════════════════════════════════════════
 * FOURIER BASIS (φ-harmonic)
 * From holographic glyphs: harmonics naturally φ-scaled
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    double complex coefficients[FOURIER_COEFFS];  /* Complex Fourier coefficients */
    double cos_basis[FOURIER_COEFFS];             /* Cosine harmonics */
    double sin_basis[FOURIER_COEFFS];             /* Sine harmonics */
    double mean;                                   /* DC component */
    double scale;                                  /* Amplitude normalization */
    double temporal_phase;                         /* Phase evolution (φ-modulated) */
} FourierBasis;

/* ═══════════════════════════════════════════════════════
 * DCT BASIS (Real-valued alternative)
 * Better for smooth, real-valued trajectories
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    double coefficients[DCT_COEFFS];   /* DCT coefficients */
    double mean;                        /* DC component */
    double scale;                       /* Normalization */
} DCTBasis;

/* ═══════════════════════════════════════════════════════
 * BREATHING SEED (from POTSafeMath)
 * Convergent compression via golden ratio breathing
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    double vector[VECTOR_DIM];    /* State vector */
    uint64_t seed_id;             /* Seed identifier */
    double fitness;               /* Convergence fitness */
    double phi_weight;            /* φ-modulated weight */
    double breathing_phase;       /* Phase for breathing */
} BreathingSeed;

/* ═══════════════════════════════════════════════════════
 * HOLOGRAPHIC GLYPH (Analog fingerprint)
 * Maps consensus parameters to Unicode glyphs
 * Combines analog + digital in single character
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    char projected_char;           /* Unicode projection */
    char dna_sequence[5];          /* DNA encoding: A,G,T,C */
    TernaryState ternary_state;    /* Ternary classification */
    double breathing_phase;        /* Breathing modulation */
    double temporal_phase;         /* Time evolution */
    double spatial_freq;           /* Spatial frequency */
    uint64_t timestamp;            /* Creation time */

    /* Holographic interference field (simplified to 4 harmonics) */
    double real_field[4];
    double imag_field[4];
    double phase_field[4];
} HolographicGlyph;

/* ═══════════════════════════════════════════════════════
 * ONION SHELL CHECKPOINT (Layered verification)
 * Multi-layered state preservation
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    uint64_t operation_id;         /* Operation counter */
    uint64_t timestamp;            /* Checkpoint time */
    uint8_t state_hash[32];        /* SHA-256 state hash */
    char dna_sequence[256];        /* DNA encoding of state */

    /* Three onion shell layers */
    uint8_t shell_layer_1[32];     /* Core hash */
    uint8_t shell_layer_2[32];     /* DNA hash */
    uint8_t shell_layer_3[32];     /* Combined hash */

    /* Breathing signature */
    double breathing_signature[BREATHING_SEEDS];
} OnionShellCheckpoint;

/* ═══════════════════════════════════════════════════════
 * VECTOR TRANSFORM (Replaces "process")
 * No execution - just mathematical transformation
 * ═══════════════════════════════════════════════════════ */
typedef struct VectorTransform {
    /* Transform function pointer */
    void (*apply)(const struct VectorTransform *transform,
                  const ContinuousFunction *input,
                  void *output);

    /* Basis vectors */
    void *basis_data;              /* Points to FourierBasis or DCTBasis */

    /* Transform metadata */
    const char *name;
    uint32_t input_dim;
    uint32_t output_dim;
} VectorTransform;

/* ═══════════════════════════════════════════════════════
 * VECTOR CONTEXT (Replaces "namespace")
 * Mathematical boundary, not process isolation
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    /* Context ID (derived from φ-hash) */
    uint64_t context_id;

    /* Continuous state functions */
    ContinuousFunction k_trajectory;        /* Coupling constant */
    ContinuousFunction gamma_trajectory;    /* Damping coefficient */
    ContinuousFunction phase_trajectory;    /* Phase variable */

    /* Compressed representations */
    FourierBasis k_fourier;
    FourierBasis gamma_fourier;
    FourierBasis phase_fourier;

    /* Alternative DCT representations */
    DCTBasis k_dct;
    DCTBasis gamma_dct;
    DCTBasis phase_dct;

    /* Breathing convergence */
    BreathingSeed seeds[BREATHING_SEEDS];
    uint32_t breathing_iterations;

    /* Holographic fingerprint */
    HolographicGlyph glyph;

    /* Checkpointing */
    OnionShellCheckpoint *checkpoints;
    uint32_t checkpoint_count;
    uint32_t checkpoint_capacity;

    /* DNA encoding */
    char *dna_ledger;              /* Full DNA sequence */
    size_t dna_length;
} VectorContext;

/* ═══════════════════════════════════════════════════════
 * FRAMEWORK CONTAINER (Replaces Docker)
 * ~20 KB of math instead of 400 MB of bloat
 * ═══════════════════════════════════════════════════════ */
typedef struct {
    /* Container metadata */
    char name[256];
    uint64_t container_id;
    uint64_t creation_time;

    /* Mathematical context (not process!) */
    VectorContext context;

    /* Transforms (not processes!) */
    VectorTransform fourier_encode;
    VectorTransform fourier_decode;
    VectorTransform dct_encode;
    VectorTransform dct_decode;
    VectorTransform sha256_hash;

    /* Resource usage (mathematical operations, not CPU/RAM) */
    struct {
        uint64_t transform_count;      /* Number of transforms applied */
        uint64_t vector_operations;    /* Total vector ops */
        uint64_t bytes_encoded;        /* Bytes encoded */
        uint64_t bytes_decoded;        /* Bytes decoded */
        double compression_ratio;      /* Average compression */
    } stats;

    /* Container state */
    bool initialized;
    bool active;
} FrameworkContainer;

/* ═══════════════════════════════════════════════════════
 * CONTAINER API (Framework-native operations)
 * ═══════════════════════════════════════════════════════ */

/* Container lifecycle */
FrameworkContainer* container_create(const char *name);
void container_destroy(FrameworkContainer *container);
bool container_initialize(FrameworkContainer *container);

/* Context operations */
bool context_set_trajectory(VectorContext *ctx,
                           const double *k_samples, size_t k_count,
                           const double *gamma_samples, size_t gamma_count,
                           const double *phase_samples, size_t phase_count);
void context_clear(VectorContext *ctx);

/* Transform operations (pure math, no execution) */
void transform_fourier_encode(VectorContext *ctx);
void transform_fourier_decode(VectorContext *ctx);
void transform_dct_encode(VectorContext *ctx);
void transform_dct_decode(VectorContext *ctx);

/* Breathing convergence */
void breathing_initialize_seeds(VectorContext *ctx);
void breathing_perform_cycle(VectorContext *ctx, int iterations);
double breathing_compute_fitness(const BreathingSeed *seed, const double *target);

/* Holographic glyph generation */
HolographicGlyph glyph_generate(const VectorContext *ctx, uint32_t index, uint64_t timestamp);
char glyph_project_to_unicode(const HolographicGlyph *glyph);
void glyph_compute_interference(HolographicGlyph *glyph);

/* Onion shell checkpointing */
OnionShellCheckpoint* checkpoint_create(const VectorContext *ctx, uint64_t op_id);
bool checkpoint_verify(const OnionShellCheckpoint *checkpoint);
bool checkpoint_restore(VectorContext *ctx, const OnionShellCheckpoint *checkpoint);

/* DNA encoding */
void dna_encode_state(const VectorContext *ctx, char *dna_out, size_t max_len);
TernaryState dna_classify_ternary(double value, uint64_t operation_id);
char dna_map_state(TernaryState state);

/* Utility functions */
void sha256_hash(const void *data, size_t len, uint8_t hash_out[32]);
double phi_modulate(double value, double phase);
uint64_t phi_hash(const void *data, size_t len);

/* Statistics */
void container_print_stats(const FrameworkContainer *container);
double container_get_compression_ratio(const FrameworkContainer *container);

#endif /* VECTOR_CONTAINER_H */
