From 6bdd0c4ef97eb97177fedca65b7f86032d97d19f Mon Sep 17 00:00:00 2001
From: Alexander Heldt <me@alexanderheldt.se>
Date: Sun, 21 Dec 2025 17:35:28 +0100
Subject: [PATCH] wip-forward-control

---
 src/musicplayer/control.gleam     | 20 +++++++++++--
 src/musicplayer/musicplayer.gleam | 48 +++++++++++++++++++------------
 src/musicplayer/ui/control.gleam  |  2 ++
 src/musicplayer/ui/layout.gleam   | 11 ++++---
 src/musicplayer/ui/plot.gleam     |  1 +
 src/musicplayer/ui/ui.gleam       |  6 ++++
 6 files changed, 60 insertions(+), 28 deletions(-)

diff --git a/src/musicplayer/control.gleam b/src/musicplayer/control.gleam
index 386ceeb..a9346b4 100644
--- a/src/musicplayer/control.gleam
+++ b/src/musicplayer/control.gleam
@@ -1,6 +1,13 @@
 import musicplayer/input/key.{type Key}
 
+pub type Mode {
+  Idle
+  Searching
+}
+
 pub type Control {
+  InputKey(Key)
+
   TogglePlayPause
   Search
 
@@ -11,16 +18,23 @@ pub type Control {
   Exit
 }
 
-pub fn from_key(key: Key) -> Result(Control, Nil) {
+pub fn from_key(key: Key, mode: Mode) -> Result(Control, Nil) {
+  case mode {
+    Idle -> idle_from_key(key)
+    Searching -> todo
+  }
+}
+
+pub fn idle_from_key(key: Key) -> Result(Control, Nil) {
   case key {
     key.Return -> Ok(Return)
     key.Backspace -> Ok(Backspace)
-    key.Char(char) -> Ok(char_control(char))
+    key.Char(char) -> Ok(idle_char_control(char))
     _ -> Error(Nil)
   }
 }
 
-fn char_control(char: String) -> Control {
+fn idle_char_control(char: String) -> Control {
   case char {
     " " -> TogglePlayPause
     "/" -> Search
diff --git a/src/musicplayer/musicplayer.gleam b/src/musicplayer/musicplayer.gleam
index 525c0be..c1a33b4 100644
--- a/src/musicplayer/musicplayer.gleam
+++ b/src/musicplayer/musicplayer.gleam
@@ -1,9 +1,8 @@
 import gleam/erlang/process.{type Name, type Pid, type Subject}
 import gleam/otp/actor
-import gleam/result
 import gleam/string
 
-import musicplayer/control.{type Control}
+import musicplayer/control.{type Control, type Mode}
 import musicplayer/input/key.{type Key}
 import musicplayer/logging/logging
 import musicplayer/mpv/control as mpv_control
@@ -11,11 +10,6 @@ import musicplayer/time/time
 import musicplayer/ui/control as ui_control
 import musicplayer/ui/layout
 
-type Mode {
-  Idle
-  Searching
-}
-
 type Input {
   Input(capturing: Bool, content: String)
 }
@@ -39,7 +33,7 @@ pub fn new(
   let input = Input(False, "")
 
   case
-    actor.new(State(Idle, input, ui, mpv))
+    actor.new(State(control.Idle, input, ui, mpv))
     |> actor.on_message(handle_message)
     |> actor.start
   {
@@ -61,6 +55,12 @@ pub fn new(
 
 fn handle_message(state: State, control: Control) -> actor.Next(State, Control) {
   case control {
+    control.InputKey(key) -> {
+      let _ = control.from_key(key, state.mode)
+      // TODO get control and send it back to self
+      actor.continue(state)
+    }
+
     control.Search -> {
       logging.log("musicplayer - initiating search")
 
@@ -69,7 +69,7 @@ fn handle_message(state: State, control: Control) -> actor.Next(State, Control)
       actor.continue(
         State(
           ..state,
-          mode: Searching,
+          mode: control.Searching,
           input: Input(..state.input, capturing: True),
         ),
       )
@@ -79,8 +79,12 @@ fn handle_message(state: State, control: Control) -> actor.Next(State, Control)
       logging.log("musicplayer - recieved raw input: " <> content)
 
       let content = case state.mode {
-        Idle -> state.input.content
-        Searching -> {
+        control.Idle ->
+          case content {
+            "1" -> state.input.content
+            _ -> state.input.content
+          }
+        control.Searching -> {
           let updated = state.input.content <> content
           update_search(state.ui, "searching: " <> updated)
           updated
@@ -90,11 +94,13 @@ fn handle_message(state: State, control: Control) -> actor.Next(State, Control)
       actor.continue(State(..state, input: Input(..state.input, content:)))
     }
     control.Backspace -> {
-      logging.log("musicplayer - recieved backspace")
+      logging.log(
+        "musicplayer - recieved backspace. mode:" <> string.inspect(state.mode),
+      )
 
       let content = case state.mode {
-        Idle -> state.input.content
-        Searching -> {
+        control.Idle -> state.input.content
+        control.Searching -> {
           let updated = string.drop_end(state.input.content, 1)
           update_search(state.ui, "searching: " <> updated)
           updated
@@ -113,12 +119,16 @@ fn handle_message(state: State, control: Control) -> actor.Next(State, Control)
       // Note: state.input.content is now the final input, use it
       // before it is reset
       case state.mode {
-        Idle -> Nil
-        Searching -> update_search(state.ui, "")
+        control.Idle -> Nil
+        control.Searching -> update_search(state.ui, "")
       }
 
       actor.continue(
-        State(..state, mode: Idle, input: Input(capturing: False, content: "")),
+        State(
+          ..state,
+          mode: control.Idle,
+          input: Input(capturing: False, content: ""),
+        ),
       )
     }
 
@@ -195,8 +205,8 @@ fn handle_key(musicplayer: Subject(Control), input_keys: Subject(Key)) -> Nil {
     process.new_selector()
     |> process.select(input_keys)
     |> process.selector_receive_forever
-    |> control.from_key
-    |> result.map(process.send(musicplayer, _))
+    |> fn(key) { control.InputKey(key) }
+    |> process.send(musicplayer, _)
 
   handle_key(musicplayer, input_keys)
 }
diff --git a/src/musicplayer/ui/control.gleam b/src/musicplayer/ui/control.gleam
index bb9a501..3be454b 100644
--- a/src/musicplayer/ui/control.gleam
+++ b/src/musicplayer/ui/control.gleam
@@ -5,6 +5,8 @@ import musicplayer/ui/layout.{type Section}
 pub type Control {
   UpdateDimensions(columns: Int, rows: Int)
   UpdateState(section: Section, content: String)
+  SetView(view_idx: layout.ViewIdx)
 
+  // NodeEvent
   Exit(reply_to: Subject(Nil))
 }
diff --git a/src/musicplayer/ui/layout.gleam b/src/musicplayer/ui/layout.gleam
index 34978eb..85ec87c 100644
--- a/src/musicplayer/ui/layout.gleam
+++ b/src/musicplayer/ui/layout.gleam
@@ -125,13 +125,11 @@ pub fn update_dimensions(layout: Layout, columns: Int, rows: Int) -> Layout {
   Layout(..layout, columns:, rows:)
 }
 
-pub fn render(layout: Layout) -> Nil {
-  [layout.columns, layout.rows]
-  |> list.map(int.to_string)
-  |> string.join(" ")
-  |> string.append("layout - render: ", _)
-  |> logging.log
+pub fn set_view(layout: Layout, view_idx: ViewIdx) -> Layout {
+  Layout(..layout, current_view: view_idx)
+}
 
+pub fn render(layout: Layout) -> Nil {
   let context =
     RenderContext(
       parent_width: layout.columns,
@@ -149,6 +147,7 @@ pub fn render(layout: Layout) -> Nil {
       render_loop(
         view,
         context,
+        // TODO extract to function `view_index`
         Section(string.append("view_", string.inspect(layout.current_view))),
         buffer,
       )
diff --git a/src/musicplayer/ui/plot.gleam b/src/musicplayer/ui/plot.gleam
index 91d1774..4868bf3 100644
--- a/src/musicplayer/ui/plot.gleam
+++ b/src/musicplayer/ui/plot.gleam
@@ -29,6 +29,7 @@ pub fn text(buffer: Buffer, text: String, x: Int, y: Int) -> Buffer {
 }
 
 pub fn box(buffer: Buffer, x: Int, y: Int, width: Int, height: Int) -> Buffer {
+  // TODO move box style to `layout.Style`
   let box_chars = #("┌", "┐", "└", "┘", "─", "│")
   let #(tl, tr, bl, br, hor, ver) = box_chars
 
diff --git a/src/musicplayer/ui/ui.gleam b/src/musicplayer/ui/ui.gleam
index 4d7cf2d..ddd5898 100644
--- a/src/musicplayer/ui/ui.gleam
+++ b/src/musicplayer/ui/ui.gleam
@@ -120,6 +120,12 @@ fn handle_message(
       process.send(reply_to, Nil)
       actor.stop()
     }
+    control.SetView(view_idx) -> {
+      let layout = layout.set_view(state.layout, view_idx)
+
+      actor.send(state.redraw, layout)
+      actor.continue(State(..state, layout:))
+    }
   }
 }