Function displayStats

packages/opencode/src/cli/cmd/stats.ts:292–384

(stats: SessionStats, toolLimit?: number, modelLimit?: number)

})

export function displayStats(stats: SessionStats, toolLimit?: number, modelLimit?: number) {
  const width = 56

  function renderRow(label: string, value: string): string {
    const availableWidth = width - 1
    const paddingNeeded = availableWidth - label.length - value.length
    const padding = Math.max(0, paddingNeeded)
    return `│${label}${" ".repeat(padding)}${value} │`
  }

  // Overview section
  console.log("┌────────────────────────────────────────────────────────┐")
  console.log("│                       OVERVIEW                         │")
  console.log("├────────────────────────────────────────────────────────┤")
  console.log(renderRow("Sessions", stats.totalSessions.toLocaleString()))
  console.log(renderRow("Messages", stats.totalMessages.toLocaleString()))
  console.log(renderRow("Days", stats.days.toString()))
  console.log("└────────────────────────────────────────────────────────┘")
  console.log()

  // Cost & Tokens section
  console.log("┌────────────────────────────────────────────────────────┐")
  console.log("│                    COST & TOKENS                       │")
  console.log("├────────────────────────────────────────────────────────┤")
  const cost = isNaN(stats.totalCost) ? 0 : stats.totalCost
  const costPerDay = isNaN(stats.costPerDay) ? 0 : stats.costPerDay
  const tokensPerSession = isNaN(stats.tokensPerSession) ? 0 : stats.tokensPerSession
  console.log(renderRow("Total Cost", `$${cost.toFixed(2)}`))
  console.log(renderRow("Avg Cost/Day", `$${costPerDay.toFixed(2)}`))
  console.log(renderRow("Avg Tokens/Session", formatNumber(Math.round(tokensPerSession))))
  const medianTokensPerSession = isNaN(stats.medianTokensPerSession) ? 0 : stats.medianTokensPerSession
  console.log(renderRow("Median Tokens/Session", formatNumber(Math.round(medianTokensPerSession))))
  console.log(renderRow("Input", formatNumber(stats.totalTokens.input)))
  console.log(renderRow("Output", formatNumber(stats.totalTokens.output)))
  console.log(renderRow("Cache Read", formatNumber(stats.totalTokens.cache.read)))
  console.log(renderRow("Cache Write", formatNumber(stats.totalTokens.cache.write)))
  console.log("└────────────────────────────────────────────────────────┘")
  console.log()

  // Model Usage section
  if (modelLimit !== undefined && Object.keys(stats.modelUsage).length > 0) {
    const sortedModels = Object.entries(stats.modelUsage).sort(([, a], [, b]) => b.messages - a.messages)
    const modelsToDisplay = modelLimit === Infinity ? sortedModels : sortedModels.slice(0, modelLimit)

    console.log("┌────────────────────────────────────────────────────────┐")
    console.log("│                      MODEL USAGE                       │")
    console.log("├────────────────────────────────────────────────────────┤")

    for (const [model, usage] of modelsToDisplay) {
      console.log(`│ ${model.padEnd(54)} │`)
      console.log(renderRow("  Messages", usage.messages.toLocaleString()))
      console.log(renderRow("  Input Tokens", formatNumber(usage.tokens.input)))
      console.log(renderRow("  Output Tokens", formatNumber(usage.tokens.output)))
      console.log(renderRow("  Cache Read", formatNumber(usage.tokens.cache.read)))
      console.log(renderRow("  Cache Write", formatNumber(usage.tokens.cache.write)))
      console.log(renderRow("  Cost", `$${usage.cost.toFixed(4)}`))
      console.log("├────────────────────────────────────────────────────────┤")
    }