# OpenCode 会话清理脚本
# 删除所有会话历史，保留插件/MCP/provider等配置
# 用法: powershell -File clear_sessions.ps1

$cli = "$env:LOCALAPPDATA\OpenCode\opencode-cli.exe"
if (-not (Test-Path $cli)) {
    Write-Error "opencode-cli not found at $cli"
    exit 1
}

Write-Host "Fetching all sessions..." -ForegroundColor Cyan
$sessions = & $cli db "SELECT id FROM session ORDER BY time_created;" --format json 2>&1 | ConvertFrom-Json
$total = $sessions.Count

if ($total -eq 0) {
    Write-Host "No sessions to delete." -ForegroundColor Green
    exit 0
}

Write-Host "Deleting $total sessions..." -ForegroundColor Yellow
$i = 0
foreach ($s in $sessions) {
    $i++
    $pct = [math]::Round($i / $total * 100, 1)
    Write-Progress -PercentComplete ($pct) -Activity "Deleting sessions" -Status "$i / $total ($pct%)" -CurrentOperation $s.id
    & $cli session delete $s.id 2>&1 | Out-Null
}

Write-Host "Done. Deleted $total sessions." -ForegroundColor Green
Write-Host "Config at ~/.config/opencode/ is untouched (plugins, MCP, providers preserved)." -ForegroundColor Cyan