#ifndef SMART_ALARM_TIMEZONES_H
#define SMART_ALARM_TIMEZONES_H
#include "lwip/arch.h"

typedef struct {
    char zone_name[31];      // Timezone name (e.g., "Europe/Berlin")
    char std_abbr[6];        // Standard time abbreviation
    char dst_abbr[6];        // DST abbreviation
    s8_t std_offset_hours;    // Standard time UTC offset hours (-12 to +14)
    u8_t std_offset_mins;     // Standard time UTC offset minutes (0-59)
    s8_t dst_offset_hours;    // DST UTC offset hours (-12 to +14)
    u8_t dst_offset_mins;     // DST UTC offset minutes (0-59)
    u8_t dst_start_month;     // DST start month (1-12)
    u8_t dst_start_week;      // DST start week (1-5, where 5=last week)
    u8_t dst_start_day;       // DST start day of week (0=Sunday..6=Saturday)
    s8_t dst_start_hour;      // DST start hour (0-23)
    u8_t dst_start_min;       // DST start minute (0-59)
    u8_t dst_end_month;       // DST end month (1-12)
    u8_t dst_end_week;        // DST end week (1-5, where 5=last week)
    u8_t dst_end_day;         // DST end day of week (0=Sunday..6=Saturday)
    u8_t dst_end_hour;        // DST end hour (0-23)
    u8_t dst_end_min;         // DST end minute (0-59)
    bool has_dst;             // 1 if timezone uses DST, 0 otherwise
    u8_t reserved;            // Padding for alignment
} timezone_t;
extern const timezone_t timezones[];

void timezone_offset(u16_t timezone_index, datetime_t &dt);
#endif //SMART_ALARM_TIMEZONES_H