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#pragma once

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

#define CLIENT_NAME_MAX 32
#define CLIENT_SECRET_LEN 33
#define BACKUP_STATUS_MAX 16
#define MAX_BACKUPS_DISPLAY 50

struct App {
	const char* dbname;
	char session_secret[CLIENT_SECRET_LEN];
	const char *admin_user;
	const char *admin_pass;
};

void app_startup(struct App *app);

struct CreateClientResult {
	int64_t id;
	char* name;
	char secret[CLIENT_SECRET_LEN];
};

int create_client(struct App *app, char *name, struct CreateClientResult *result);
int delete_client(struct App *app, int64_t client_id);

struct ListClientResultClient {
	int64_t id;
	char name[CLIENT_NAME_MAX];
	char secret[CLIENT_SECRET_LEN];
	struct timespec last_backup;
	char status[BACKUP_STATUS_MAX];  // "OK", "RUNNING", "STALE", "FAILED", "INTERRUPTED"
	int is_stale;
};

struct ListClientResult {
	uint16_t clients_len;
	// Right now this has to be exactly 16 elements long, but it could be longer in the future
	struct ListClientResultClient clients[];
};

int list_clients(struct App *app, struct ListClientResult *result);

struct BackupRecord {
    int64_t id;
    char status[BACKUP_STATUS_MAX];
    struct timespec started;
    struct timespec completed;
};

struct GetClientOnlyResult {
    int found;
    int64_t id;
    char name[CLIENT_NAME_MAX];
    char secret[CLIENT_SECRET_LEN];
};

struct GetBackupsResult {
    uint16_t backups_len;  // On input: max backups to fetch; On output: actual count
    struct BackupRecord backups[];
};

int get_client(struct App *app, int64_t client_id, struct GetClientOnlyResult *result);
int get_client_backups(struct App *app, int64_t client_id, struct GetBackupsResult *result);

// Returns 0 on success, -1 on error, -2 on secret mismatch
int submit_report(struct App *app, char *client, char *secret, int is_finish);