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package task
import (
"fmt"
"strings"
)
// ValidationError collects multiple validation failures.
type ValidationError struct {
Errors []string
}
func (e *ValidationError) Error() string {
return fmt.Sprintf("validation failed: %s", strings.Join(e.Errors, "; "))
}
func (e *ValidationError) Add(msg string) {
e.Errors = append(e.Errors, msg)
}
func (e *ValidationError) HasErrors() bool {
return len(e.Errors) > 0
}
// Validate checks a task for required fields and valid values.
func Validate(t *Task) error {
ve := &ValidationError{}
if t.Name == "" {
ve.Add("name is required")
}
if t.Agent.Instructions == "" {
ve.Add("agent.instructions is required")
}
if t.Agent.MaxBudgetUSD < 0 {
ve.Add("agent.max_budget_usd must be non-negative")
}
if t.Timeout.Duration < 0 {
ve.Add("timeout must be non-negative")
}
if t.Retry.MaxAttempts < 1 {
ve.Add("retry.max_attempts must be at least 1")
}
if t.Retry.Backoff != "" && t.Retry.Backoff != "linear" && t.Retry.Backoff != "exponential" {
ve.Add("retry.backoff must be 'linear' or 'exponential'")
}
validPriorities := map[Priority]bool{PriorityHigh: true, PriorityNormal: true, PriorityLow: true}
if t.Priority != "" && !validPriorities[t.Priority] {
ve.Add(fmt.Sprintf("invalid priority %q; must be high, normal, or low", t.Priority))
}
if t.Agent.PermissionMode != "" {
validModes := map[string]bool{
"default": true, "acceptEdits": true, "bypassPermissions": true,
"plan": true, "dontAsk": true, "delegate": true,
}
if !validModes[t.Agent.PermissionMode] {
ve.Add(fmt.Sprintf("invalid permission_mode %q", t.Agent.PermissionMode))
}
}
if ve.HasErrors() {
return ve
}
return nil
}
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