#include "eye_led.h"

#define EYE_LED_MODE_NUM  8
#define EYE_LED_STEP_NUM 37

/* eye_led_table[mode][step] = { duration_sec, freq_hz }, 从 eye_led.h 提取 */
static const eye_led_step_t eye_led_table[EYE_LED_MODE_NUM][EYE_LED_STEP_NUM] = {
    /* mode 1 */
    {{3, 1},  {4, 5},  {3, 15}, {9, 31}, {19, 7}, {5, 19}, {21, 9}, {22, 10}, {23, 11}, {24, 12},
     {25, 13}, {26, 14}, {27, 15}, {28, 16}, {29, 17}, {10, 4}, {90, 13}, {5, 6},  {45, 25}, {7, 9},
     {25, 3},  {75, 8},  {5, 28}, {10, 11}, {90, 25}, {9, 5},  {3, 17}, {14, 4},  {120, 8}, {7, 31},
     {14, 9},  {3, 12},  {45, 24}, {21, 5}, {75, 11}, {14, 3}, {5, 17}},
    /* mode 2 */
    {{5, 1},  {11, 5},  {3, 22}, {8, 26}, {17, 3},  {5, 24}, {21, 9}, {3, 22}, {5, 10}, {7, 25},
     {9, 3},   {27, 19}, {75, 6}, {5, 16}, {75, 26}, {10, 6}, {90, 17}, {5, 4},  {45, 15}, {7, 9},
     {25, 21}, {75, 6},  {5, 14}, {7, 3},  {3, 5},   {90, 26}, {9, 13}, {3, 22}, {14, 3},  {120, 7},
     {7, 22},  {14, 8},  {3, 15}, {45, 4}, {75, 13}, {14, 25}, {5, 13}},
    /* mode 3 */
    {{6, 1},  {12, 5},  {29, 22}, {7, 13}, {21, 7},  {5, 17}, {21, 9}, {3, 25}, {5, 10}, {7, 25},
     {9, 3},   {27, 25}, {75, 5},  {5, 15}, {75, 25}, {10, 13}, {90, 9}, {5, 31}, {45, 22}, {7, 11},
     {25, 2},  {75, 23}, {5, 14},  {7, 5},  {3, 24},  {90, 10}, {9, 4},  {3, 19}, {14, 6},  {120, 11},
     {7, 22},  {14, 5},  {3, 19},  {45, 25}, {21, 3}, {75, 9},  {14, 15}},
    /* mode 4 */
    {{8, 1},  {12, 5},  {3, 15}, {8, 31}, {19, 11}, {5, 31}, {21, 9}, {3, 16}, {5, 10}, {7, 25},
     {9, 3},   {27, 25}, {75, 7},  {5, 17}, {75, 28}, {10, 16}, {90, 9}, {5, 3},  {45, 16}, {32, 7},
     {75, 12}, {5, 7},   {7, 28},  {3, 13}, {90, 20}, {9, 11}, {3, 29}, {14, 14}, {120, 9}, {7, 3},
     {14, 19}, {3, 7},   {45, 22}, {21, 5}, {75, 11}, {14, 31}, {5, 18}},
    /* mode 5 */
    {{3, 1},  {9, 5},   {3, 15}, {7, 29}, {15, 14}, {5, 9},  {21, 6}, {3, 6},  {5, 10}, {7, 25},
     {9, 3},   {27, 29}, {75, 13}, {5, 24}, {75, 33}, {10, 19}, {90, 5}, {5, 19}, {45, 8},  {7, 2},
     {25, 25}, {75, 16}, {5, 7},  {7, 22}, {3, 9},   {90, 16}, {9, 7},  {3, 22}, {14, 3},  {120, 10},
     {7, 31},  {14, 15}, {3, 4},  {66, 26}, {75, 7}, {14, 19}, {5, 3}},
    /* mode 6 */
    {{8, 1},  {11, 5},  {3, 15}, {7, 9},  {15, 22}, {5, 4},  {21, 15}, {3, 29}, {5, 10}, {7, 25},
     {9, 3},   {27, 15}, {75, 8},  {5, 18}, {75, 29}, {10, 4}, {90, 18}, {5, 5},  {45, 31}, {7, 11},
     {25, 2},  {75, 29}, {5, 11},  {7, 29}, {3, 17},  {90, 4},  {9, 17}, {3, 50}, {14, 25}, {120, 13},
     {7, 2},   {14, 19}, {3, 8},   {45, 16}, {21, 28}, {75, 7},  {14, 15}},
    /* mode 7 */
    {{8, 1},  {13, 5},  {3, 15}, {7, 22}, {15, 4},  {5, 28}, {21, 9}, {3, 22}, {5, 10}, {7, 25},
     {9, 3},   {27, 16}, {75, 5},  {5, 15}, {75, 25}, {10, 9}, {90, 15}, {5, 3},  {45, 22}, {7, 15},
     {25, 9},  {75, 4},  {5, 22},  {10, 5}, {90, 29}, {9, 3},  {3, 12}, {14, 22}, {120, 7}, {7, 3},
     {14, 5},  {3, 11},  {45, 24}, {21, 7}, {75, 11}, {14, 22}, {5, 3}},
    /* mode 8 */
    {{3, 1},  {5, 3},   {5, 5},  {7, 3},  {8, 5},   {11, 7}, {13, 9}, {15, 11}, {17, 13}, {19, 15},
     {21, 7},  {3, 22},  {5, 5},  {5, 22}, {7, 6},   {9, 20}, {21, 7}, {13, 22}, {3, 4},  {5, 12},
     {5, 9},   {7, 22},  {9, 5},  {11, 22}, {13, 6},  {3, 15}, {21, 7}, {5, 14}, {39, 5},  {9, 22},
     {33, 7},  {15, 20}, {12, 6}, {11, 9}, {10, 5}, {5, 3},  {5, 2}},
};

typedef struct _eye_led_var_
{
    int eye_led_timer;
    u8 eye_led_mode;        /* 1~8 */
    u8 step_idx;            /* 当前步骤 0~36 */
    u16 step_ticks;         /* 当前步骤内 10ms 计数 */
    u16 blink_ticks;        /* 闪烁半周期 10ms 计数 */
    u8 led_on;              /* LED 当前亮灭 */
} _eye_led_var;

static _eye_led_var eye_led_var;
#define __this (&eye_led_var)

static void (*eye_led_complete_cb)(void) = NULL;

static void eye_led_timer_callback(void *priv)
{
    u8 mode = __this->eye_led_mode;
    if (mode == 0 || mode > EYE_LED_MODE_NUM)
        return;
    const eye_led_step_t *st = &eye_led_table[mode - 1][__this->step_idx];
    u8 duration = st->duration;
    u8 freq = st->freq;
    u16 half_period = (freq > 0) ? (50u / (u16)freq) : 50;
    if (half_period < 1)
        half_period = 1;

    __this->blink_ticks++;
    if (__this->blink_ticks >= half_period)
    {
        __this->blink_ticks = 0;
        __this->led_on = !__this->led_on;
        if (__this->led_on)
            EYE_LED_ON();
        else
            EYE_LED_OFF();
    }

    __this->step_ticks++;
    if (__this->step_ticks >= (u16)duration * 100u)
    {
        __this->step_idx++;
        __this->step_ticks = 0;
        __this->blink_ticks = 0;
        if (__this->step_idx >= EYE_LED_STEP_NUM)
        {
            if (eye_led_complete_cb)
                eye_led_complete_cb();
            eye_led_stop();
            return;
        }
    }
}

void eye_led_init(void)
{
    __this->eye_led_timer = 0;
    __this->eye_led_mode = 0;
    __this->step_idx = 0;
    __this->step_ticks = 0;
    __this->blink_ticks = 0;
    __this->led_on = 1;
}

void eye_led_set_mode(u8 mode)
{
    if (mode >= EYE_LED_MODE_NUM)
    {
        mode = EYE_LED_MODE_NUM;
    }
    __this->eye_led_mode = mode;
}

void eye_led_start(void)
{
    if (__this->eye_led_timer != 0)
    {
        sys_timer_del(__this->eye_led_timer);
        __this->eye_led_timer = 0;
    }
    __this->step_idx = 0;
    __this->step_ticks = 0;
    __this->blink_ticks = 0;
    __this->led_on = 1;
    __this->eye_led_timer = sys_timer_add(NULL, eye_led_timer_callback, 10); /* 10ms */
    EYE_LED_ON();
}

void eye_led_stop(void)
{
    if (__this->eye_led_timer != 0)
    {
        sys_timer_del(__this->eye_led_timer);
        __this->eye_led_timer = 0;
    }
    EYE_LED_OFF();
}

u8 eye_led_get_mode(void)
{
    return (__this->eye_led_timer != 0) ? __this->eye_led_mode : 0;
}

void eye_led_set_complete_callback(void (*cb)(void))
{
    eye_led_complete_cb = cb;
}