#ifndef RAVA_SYMBOL_TABLE_H
#define RAVA_SYMBOL_TABLE_H

#include "../types/types.h"
#include "../parser/parser.h"
#include <stddef.h>
#include <stdbool.h>

#define RAVA_SYMBOL_HASH_SIZE 32

typedef enum {
    RAVA_SYMBOL_CLASS,
    RAVA_SYMBOL_METHOD,
    RAVA_SYMBOL_FIELD,
    RAVA_SYMBOL_VARIABLE,
    RAVA_SYMBOL_PARAMETER
} RavaSymbolKind_e;

typedef struct RavaSymbol_t {
    RavaSymbolKind_e kind;
    char *name;
    RavaType_t *type;
    RavaModifier_e *modifiers;
    size_t modifiers_count;
    RavaASTNode_t *declaration;
    size_t local_index;

    struct RavaSymbol_t *next;
    struct RavaSymbol_t *hash_next;
} RavaSymbol_t;

typedef struct RavaScope_t {
    char *name;
    RavaSymbol_t *symbols;
    RavaSymbol_t *hash_table[RAVA_SYMBOL_HASH_SIZE];
    struct RavaScope_t *parent;
    struct RavaScope_t **children;
    size_t children_count;
    size_t children_capacity;
} RavaScope_t;

typedef struct {
    RavaScope_t *global_scope;
    RavaScope_t *current_scope;
} RavaSymbolTable_t;

RavaSymbolTable_t* rava_symbol_table_create();
void rava_symbol_table_destroy(RavaSymbolTable_t *table);

RavaScope_t* rava_scope_create(const char *name, RavaScope_t *parent);
void rava_scope_destroy(RavaScope_t *scope);

void rava_symbol_table_enter_scope(RavaSymbolTable_t *table, const char *scope_name);
void rava_symbol_table_exit_scope(RavaSymbolTable_t *table);

RavaSymbol_t* rava_symbol_create(RavaSymbolKind_e kind, const char *name, RavaType_t *type);
void rava_symbol_destroy(RavaSymbol_t *symbol);

bool rava_symbol_table_define(RavaSymbolTable_t *table, RavaSymbol_t *symbol);
RavaSymbol_t* rava_symbol_table_resolve(RavaSymbolTable_t *table, const char *name);
RavaSymbol_t* rava_symbol_table_resolve_in_scope(RavaScope_t *scope, const char *name);

bool rava_symbol_has_modifier(RavaSymbol_t *symbol, RavaModifier_e modifier);

#endif