/* gitswitch-c: Main header with common definitions and constants */

#ifndef GITSWITCH_H
#define GITSWITCH_H

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

/* Version information - can be overridden at build time via -D flags */
#ifndef GITSWITCH_VERSION
#define GITSWITCH_VERSION "1.1.7"
#endif
#ifndef GITSWITCH_COMMIT
#define GITSWITCH_COMMIT "unknown"
#endif
#define GITSWITCH_NAME "gitswitch-c"

/* Configuration constants */
#define MAX_PATH_LEN 4096
#define MAX_NAME_LEN 256
#define MAX_EMAIL_LEN 320  /* RFC 5321 limit */
#define MAX_DESC_LEN 512
#define MAX_KEY_ID_LEN 64
#define MAX_ACCOUNTS 64

/* Default configuration paths */
#define DEFAULT_CONFIG_DIR ".config/gitswitch"
#define DEFAULT_CONFIG_FILE "accounts.toml"
#define DEFAULT_SSH_DIR ".ssh"
#define DEFAULT_GPG_DIR ".gnupg"

/* Exit codes */
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#define EXIT_CONFIG_ERROR 2
#define EXIT_VALIDATION_ERROR 3
#define EXIT_SSH_ERROR 4
#define EXIT_GPG_ERROR 5

/* Git scopes */
typedef enum {
    GIT_SCOPE_LOCAL,
    GIT_SCOPE_GLOBAL,
    GIT_SCOPE_SYSTEM
} git_scope_t;

/* Account structure */
typedef struct {
    uint32_t id;
    char name[MAX_NAME_LEN];
    char email[MAX_EMAIL_LEN];
    char description[MAX_DESC_LEN];
    git_scope_t preferred_scope;
    
    /* SSH configuration */
    bool ssh_enabled;
    char ssh_key_path[MAX_PATH_LEN];
    char ssh_host_alias[MAX_NAME_LEN];
    
    /* GPG configuration */
    bool gpg_enabled;
    bool gpg_signing_enabled;
    char gpg_key_id[MAX_KEY_ID_LEN];
    
} account_t;

/* Global configuration */
typedef struct {
    git_scope_t default_scope;
    char config_path[MAX_PATH_LEN];
    bool verbose;
    bool dry_run;
    bool color_output;
} config_t;

/* Application context */
typedef struct {
    config_t config;
    account_t accounts[MAX_ACCOUNTS];
    size_t account_count;
    account_t *current_account;
} gitswitch_ctx_t;

/* Function prototypes */
int gitswitch_init(gitswitch_ctx_t *ctx);
void gitswitch_cleanup(gitswitch_ctx_t *ctx);

#endif /* GITSWITCH_H */