| 1 | #[derive(Debug, Clone, Copy, PartialEq, Eq)] |
| 2 | pub enum Pane { |
| 3 | Chat, |
| 4 | Diff, |
| 5 | Tasks, |
| 6 | Agents, |
| 7 | Status, |
| 8 | Jobs, |
| 9 | } |
| 10 | |
| 11 | #[derive(Debug, Clone, PartialEq, Eq)] |
| 12 | pub enum UiEvent { |
| 13 | KeyPressed(char), |
| 14 | PromptSubmitted(String), |
| 15 | ResponseDelta(String), |
| 16 | ToolStarted(String), |
| 17 | ToolFinished(String), |
| 18 | JobQueued(String), |
| 19 | JobProgress { job_id: String, progress: u8 }, |
| 20 | JobCompleted(String), |
| 21 | ApprovalRequested(String), |
| 22 | ApprovalResolved(String), |
| 23 | PauseRequested, |
| 24 | ResumeRequested, |
| 25 | Tick, |
| 26 | } |
| 27 | |
| 28 | #[derive(Debug, Clone, PartialEq, Eq)] |
| 29 | pub enum UiEffect { |
| 30 | Render, |
| 31 | PersistCheckpoint, |
| 32 | ScheduleBackgroundRefresh, |
| 33 | EmitStatusLine(String), |
| 34 | } |
| 35 | |
| 36 | #[derive(Debug, Clone)] |
| 37 | pub struct UiState { |
| 38 | pub active_pane: Pane, |
| 39 | pub paused: bool, |
| 40 | pub last_response_delta: Option<String>, |
| 41 | pub active_tool: Option<String>, |
| 42 | pub pending_tasks: usize, |
| 43 | pub active_jobs: usize, |
| 44 | pub pending_approvals: usize, |
| 45 | pub status_line: String, |
| 46 | } |
| 47 | |
| 48 | impl Default for UiState { |
| 49 | fn default() -> Self { |
| 50 | Self { |
| 51 | active_pane: Pane::Chat, |
| 52 | paused: false, |
| 53 | last_response_delta: None, |
| 54 | active_tool: None, |
| 55 | pending_tasks: 0, |
| 56 | active_jobs: 0, |
| 57 | pending_approvals: 0, |
| 58 | status_line: "ready".to_string(), |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | impl UiState { |
| 64 | pub fn reduce(&mut self, event: UiEvent) -> Vec<UiEffect> { |
| 65 | match event { |
| 66 | UiEvent::KeyPressed('1') => { |
| 67 | self.active_pane = Pane::Chat; |
| 68 | vec![UiEffect::Render] |
| 69 | } |
| 70 | UiEvent::KeyPressed('2') => { |
| 71 | self.active_pane = Pane::Diff; |
| 72 | vec![UiEffect::Render] |
| 73 | } |
| 74 | UiEvent::KeyPressed('3') => { |
| 75 | self.active_pane = Pane::Tasks; |
| 76 | vec![UiEffect::Render] |
| 77 | } |
| 78 | UiEvent::KeyPressed('4') => { |
| 79 | self.active_pane = Pane::Agents; |
| 80 | vec![UiEffect::Render] |
| 81 | } |
| 82 | UiEvent::KeyPressed('5') => { |
| 83 | self.active_pane = Pane::Jobs; |
| 84 | vec![UiEffect::Render] |
| 85 | } |
| 86 | UiEvent::PromptSubmitted(_) => { |
| 87 | self.pending_tasks = self.pending_tasks.saturating_add(1); |
| 88 | self.status_line = "prompt submitted".to_string(); |
| 89 | vec![ |
| 90 | UiEffect::Render, |
| 91 | UiEffect::PersistCheckpoint, |
| 92 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 93 | ] |
| 94 | } |
| 95 | UiEvent::ResponseDelta(delta) => { |
| 96 | self.last_response_delta = Some(delta); |
| 97 | self.status_line = "streaming response".to_string(); |
| 98 | vec![ |
| 99 | UiEffect::Render, |
| 100 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 101 | ] |
| 102 | } |
| 103 | UiEvent::ToolStarted(name) => { |
| 104 | self.active_tool = Some(name.clone()); |
| 105 | self.status_line = format!("tool running: {name}"); |
| 106 | vec![ |
| 107 | UiEffect::Render, |
| 108 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 109 | ] |
| 110 | } |
| 111 | UiEvent::ToolFinished(name) => { |
| 112 | self.active_tool = None; |
| 113 | self.pending_tasks = self.pending_tasks.saturating_sub(1); |
| 114 | self.status_line = format!("tool finished: {name}"); |
| 115 | vec![ |
| 116 | UiEffect::Render, |
| 117 | UiEffect::PersistCheckpoint, |
| 118 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 119 | ] |
| 120 | } |
| 121 | UiEvent::JobQueued(_) => { |
| 122 | self.active_jobs = self.active_jobs.saturating_add(1); |
| 123 | self.status_line = "job queued".to_string(); |
| 124 | vec![UiEffect::Render, UiEffect::PersistCheckpoint] |
| 125 | } |
| 126 | UiEvent::JobProgress { progress, .. } => { |
| 127 | self.status_line = format!("job progress: {}%", progress.min(100)); |
| 128 | vec![ |
| 129 | UiEffect::Render, |
| 130 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 131 | ] |
| 132 | } |
| 133 | UiEvent::JobCompleted(_) => { |
| 134 | self.active_jobs = self.active_jobs.saturating_sub(1); |
| 135 | self.status_line = "job completed".to_string(); |
| 136 | vec![ |
| 137 | UiEffect::Render, |
| 138 | UiEffect::PersistCheckpoint, |
| 139 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 140 | ] |
| 141 | } |
| 142 | UiEvent::ApprovalRequested(_) => { |
| 143 | self.pending_approvals = self.pending_approvals.saturating_add(1); |
| 144 | self.status_line = "approval requested".to_string(); |
| 145 | vec![ |
| 146 | UiEffect::Render, |
| 147 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 148 | ] |
| 149 | } |
| 150 | UiEvent::ApprovalResolved(_) => { |
| 151 | self.pending_approvals = self.pending_approvals.saturating_sub(1); |
| 152 | self.status_line = "approval resolved".to_string(); |
| 153 | vec![ |
| 154 | UiEffect::Render, |
| 155 | UiEffect::PersistCheckpoint, |
| 156 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 157 | ] |
| 158 | } |
| 159 | UiEvent::PauseRequested => { |
| 160 | self.paused = true; |
| 161 | self.status_line = "paused".to_string(); |
| 162 | vec![ |
| 163 | UiEffect::Render, |
| 164 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 165 | ] |
| 166 | } |
| 167 | UiEvent::ResumeRequested => { |
| 168 | self.paused = false; |
| 169 | self.status_line = "resumed".to_string(); |
| 170 | vec![ |
| 171 | UiEffect::Render, |
| 172 | UiEffect::EmitStatusLine(self.status_line.clone()), |
| 173 | ] |
| 174 | } |
| 175 | UiEvent::Tick => vec![UiEffect::ScheduleBackgroundRefresh], |
| 176 | UiEvent::KeyPressed(_) => Vec::new(), |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | pub fn snapshot(&self) -> String { |
| 181 | format!( |
| 182 | "pane={:?};paused={};pending_tasks={};active_jobs={};pending_approvals={};active_tool={};status={}", |
| 183 | self.active_pane, |
| 184 | self.paused, |
| 185 | self.pending_tasks, |
| 186 | self.active_jobs, |
| 187 | self.pending_approvals, |
| 188 | self.active_tool.clone().unwrap_or_default(), |
| 189 | self.status_line |
| 190 | ) |
| 191 | } |
| 192 | } |
| 193 |