From d71eea3ad3efa8b78d9de74d9ee3e01cf95c047d Mon Sep 17 00:00:00 2001
From: Brandon Thomas <echelon@gmail.com>
Date: Tue, 28 Oct 2025 15:12:26 -0400
Subject: [PATCH] simulate style wip

---
 .../src/requests/index_page/signature/mod.rs  |   3 +-
 .../signature/signature_simulate_style.rs     | 118 ++++++++++++++++++
 2 files changed, 120 insertions(+), 1 deletion(-)
 create mode 100644 crates/api_clients/grok_client/src/requests/index_page/signature/signature_simulate_style.rs

diff --git a/crates/api_clients/grok_client/src/requests/index_page/signature/mod.rs b/crates/api_clients/grok_client/src/requests/index_page/signature/mod.rs
index 3bf0f825c7..21255cd42b 100644
--- a/crates/api_clients/grok_client/src/requests/index_page/signature/mod.rs
+++ b/crates/api_clients/grok_client/src/requests/index_page/signature/mod.rs
@@ -1,3 +1,4 @@
 pub mod signature_xs;
 pub mod generate_sign_for_new_conversation;
-mod signature_xa;
\ No newline at end of file
+mod signature_xa;
+mod signature_simulate_style;
\ No newline at end of file
diff --git a/crates/api_clients/grok_client/src/requests/index_page/signature/signature_simulate_style.rs b/crates/api_clients/grok_client/src/requests/index_page/signature/signature_simulate_style.rs
new file mode 100644
index 0000000000..bb0291a607
--- /dev/null
+++ b/crates/api_clients/grok_client/src/requests/index_page/signature/signature_simulate_style.rs
@@ -0,0 +1,118 @@
+use crate::error::grok_client_error::GrokClientError;
+use once_cell::sync::Lazy;
+use regex::Regex;
+
+static CLEAN_NON_DIGIT_REGEX : Lazy<Regex> = Lazy::new(|| {
+  Regex::new(r#"[^\d]+"#)
+      .expect("Regex should parse")
+});
+
+/*
+    @staticmethod
+    def simulateStyle(values: List[int], c: int) -> Dict[str,str]:
+        duration = 4096
+        currentTime = round(c / 10.0) * 10
+        t = currentTime / duration
+
+        cp = [Signature._h(v, -1 if (i % 2) else 0, 1, False) for i, v in enumerate(values[7:])]
+
+        easedY = Signature.cubicBezierEased(t, cp[0], cp[1], cp[2], cp[3])
+
+        start = [float(x) for x in values[0:3]]
+        end = [float(x) for x in values[3:6]]
+        r = round(start[0] + (end[0] - start[0]) * easedY)
+        g = round(start[1] + (end[1] - start[1]) * easedY)
+        b = round(start[2] + (end[2] - start[2]) * easedY)
+        color = f"rgb({r}, {g}, {b})"
+
+        endAngle = Signature._h(values[6], 60, 360, True)
+        angle = endAngle * easedY
+        rad = angle * pi / 180.0
+
+        def is_effectively_zero(val: float) -> bool:
+            return abs(val) < 1e-7
+
+        def is_effectively_integer(val: float) -> bool:
+            return abs(val - round(val)) < 1e-7
+
+        cosv = cos(rad)
+        sinv = sin(rad)
+
+        if is_effectively_zero(cosv):
+            a = 0
+            d = 0
+        else:
+            if is_effectively_integer(cosv):
+                a = int(round(cosv))
+                d = int(round(cosv))
+            else:
+                a = f"{cosv:.6f}"
+                d = f"{cosv:.6f}"
+
+        if is_effectively_zero(sinv):
+            bval = 0
+            cval = 0
+        else:
+            if is_effectively_integer(sinv):
+                bval = int(round(sinv))
+                cval = int(round(-sinv))
+            else:
+                bval = f"{sinv:.7f}"
+                cval = f"{(-sinv):.7f}"
+
+        transform = f"matrix({a}, {bval}, {cval}, {d}, 0, 0)"
+        return {"color": color, "transform": transform}
+ */
+
+pub struct SimulatedStyle {
+  pub color: String,
+  pub transform: String,
+}
+
+/// Based on "Grok-Api/core/xctid.py"
+/// `values` is one svg path stroke calculated by the `xa` algo
+/// `c` is the multiplied value from `xs`
+///
+pub fn signature_simulate_style(values: &[u32], c: u32) -> Result<SimulatedStyle, GrokClientError> {
+  // duration = 4096
+  let duration = 4096;
+
+  // currentTime = round(c / 10.0) * 10
+  let current_time = ((c as f32 / 10.0).round()) as u32 * 10;
+
+  println!("current_time = {:?}", current_time);
+
+  // t = currentTime / duration
+  let t = current_time as f64 / duration as f64;
+  println!("t = {:?}", t);
+
+  // cp = [Signature._h(v, -1 if (i % 2) else 0, 1, False) for i, v in enumerate(values[7:])]
+
+  // > currentTime 900
+  // > t 0.2197265625
+
+
+
+  Ok(SimulatedStyle {
+    color: "".to_string(),
+    transform: "".to_string(),
+  })
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::requests::index_page::signature::signature_simulate_style::signature_simulate_style;
+  use crate::requests::index_page::signature::signature_xa::signature_xa;
+
+  #[test]
+  fn test() {
+    // from xs - 'vals'
+    let values = vec![73, 44, 215, 158, 218, 29, 68, 13, 98, 243, 134];
+    // from xs - 'c'
+    let c = 900;
+
+    let output = signature_simulate_style(&values, c);
+
+    assert_eq!(1, 2);
+  }
+}