import { useState, useCallback, useEffect } from "react";
import { Globe, Folder } from "lucide-react";
import type { ScheduledTask, ScheduledTaskCreateInput, ScheduleType, AutomationStep } from "@fusion/core";
import { ScheduleStepsEditor } from "./ScheduleStepsEditor";
import { CustomModelDropdown } from "./CustomModelDropdown";
import { fetchModels } from "../api";
import type { ModelInfo } from "../api";
import type { SchedulingScope } from "./ScheduledTasksModal";

/** Mapping from preset schedule types to their cron expressions. Mirrored from @fusion/core. */
const PRESET_CRON: Record<Exclude<ScheduleType, "custom">, string> = {
  hourly: "0 * * * *",
  daily: "0 0 * * *",
  weekly: "0 0 * * 1",
  monthly: "0 0 1 * *",
  every15Minutes: "*/15 * * * *",
  every30Minutes: "*/30 * * * *",
  every2Hours: "0 */2 * * *",
  every6Hours: "0 */6 * * *",
  every12Hours: "0 */12 * * *",
  weekdays: "0 9 * * 1-5",
};

const SCHEDULE_TYPE_LABELS: Record<ScheduleType, string> = {
  hourly: "Every hour",
  daily: "Every day (midnight)",
  weekly: "Every week (Monday)",
  monthly: "Every month (1st)",
  custom: "Custom cron expression",
  every15Minutes: "Every 15 minutes",
  every30Minutes: "Every 30 minutes",
  every2Hours: "Every 2 hours",
  every6Hours: "Every 6 hours",
  every12Hours: "Every 12 hours",
  weekdays: "Weekdays at 9 AM (Mon-Fri)",
};

/**
 * Simple cron expression validator (5-field format).
 * Checks basic structure — authoritative validation happens server-side.
 */
function isLikelyCron(expr: string): boolean {
  const parts = expr.trim().split(/\s+/);
  if (parts.length !== 5) return false;
  // Each field should contain digits, *, /, -, or ,
  return parts.every((p) => /^[\d*,/-]+$/.test(p));
}

/**
 * Generate a unique step ID using crypto.randomUUID with fallback.
 */
function generateStepId(): string {
  if (typeof crypto !== "undefined" && typeof crypto.randomUUID === "function") {
    return crypto.randomUUID();
  }
  // Deterministic fallback: timestamp + random hex
  return `step-${Date.now()}-${Math.random().toString(36).slice(2, 11)}`;
}

type ScheduleMode = "simple" | "advanced";
type SimpleType = "command" | "ai-prompt" | "create-task";

interface ScheduleFormProps {
  /** Existing schedule for editing. Omit for create mode. */
  schedule?: ScheduledTask;
  /** Called with form data on submit. */
  onSubmit: (input: ScheduledTaskCreateInput) => Promise<void>;
  /** Called when the user cancels. */
  onCancel: () => void;
  /** Scope for the schedule (global or project). Defaults to schedule.scope or "project". */
  scope?: SchedulingScope;
  /** Project ID for project-scoped schedules. */
  projectId?: string;
  /** Called when the user changes the scope via the toggle buttons. */
  onScopeChange?: (scope: SchedulingScope) => void;
}

export function ScheduleForm({ schedule, onSubmit, onCancel, scope: formScope, projectId, onScopeChange }: ScheduleFormProps) {
  const isEditing = !!schedule;

  // Determine initial mode based on whether the schedule has steps
  // But single ai-prompt and create-task steps from simple mode should show in simple mode
  const isSimpleAiPrompt = schedule?.steps && schedule.steps.length === 1 && 
    schedule.steps[0].type === "ai-prompt" && !schedule.command;
  const isSimpleCreateTask = schedule?.steps && schedule.steps.length === 1 && 
    schedule.steps[0].type === "create-task" && !schedule.command;
  const initialMode: ScheduleMode = (schedule?.steps && schedule.steps.length > 0 && !isSimpleAiPrompt && !isSimpleCreateTask) ? "advanced" : "simple";

  const [mode, setMode] = useState<ScheduleMode>(initialMode);
  const [name, setName] = useState(schedule?.name ?? "");
  const [description, setDescription] = useState(schedule?.description ?? "");
  const [scheduleType, setScheduleType] = useState<ScheduleType>(schedule?.scheduleType ?? "daily");
  const [cronExpression, setCronExpression] = useState(schedule?.cronExpression ?? "");
  const [command, setCommand] = useState(schedule?.command ?? "");
  const [enabled, setEnabled] = useState(schedule?.enabled ?? true);
  const [timeoutMs, setTimeoutMs] = useState<number>(schedule?.timeoutMs ?? 300000);
  const [steps, setSteps] = useState<AutomationStep[]>(schedule?.steps ?? []);
  const [hasEditingSteps, setHasEditingSteps] = useState(false);

  // Scope toggle state
  const [localScope, setLocalScope] = useState<SchedulingScope>(formScope ?? "global");

  // Sync localScope when formScope prop changes (e.g., when parent resets)
  useEffect(() => {
    if (formScope) setLocalScope(formScope);
  }, [formScope]);

  // Simple mode type toggle state
  const [simpleType, setSimpleType] = useState<SimpleType>(() => {
    // Detect if editing a simple-mode AI prompt schedule
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "ai-prompt" && !schedule.command) {
      return "ai-prompt";
    }
    // Detect if editing a simple-mode create-task schedule
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "create-task" && !schedule.command) {
      return "create-task";
    }
    return "command";
  });
  const [prompt, setPrompt] = useState(() => {
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "ai-prompt" && !schedule.command) {
      return schedule.steps[0].prompt ?? "";
    }
    return "";
  });
  const [modelProvider, setModelProvider] = useState(() => {
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "ai-prompt" && !schedule.command) {
      return schedule.steps[0].modelProvider ?? "";
    }
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "create-task" && !schedule.command) {
      return schedule.steps[0].modelProvider ?? "";
    }
    return "";
  });
  const [modelId, setModelId] = useState(() => {
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "ai-prompt" && !schedule.command) {
      return schedule.steps[0].modelId ?? "";
    }
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "create-task" && !schedule.command) {
      return schedule.steps[0].modelId ?? "";
    }
    return "";
  });
  // Create-task fields
  const [taskTitle, setTaskTitle] = useState(() => {
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "create-task" && !schedule.command) {
      return schedule.steps[0].taskTitle ?? "";
    }
    return "";
  });
  const [taskDescription, setTaskDescription] = useState(() => {
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "create-task" && !schedule.command) {
      return schedule.steps[0].taskDescription ?? "";
    }
    return "";
  });
  const [taskColumn, setTaskColumn] = useState(() => {
    if (schedule?.steps && schedule.steps.length === 1 && schedule.steps[0].type === "create-task" && !schedule.command) {
      return schedule.steps[0].taskColumn ?? "triage";
    }
    return "triage";
  });

  // Model dropdown state
  const [models, setModels] = useState<ModelInfo[]>([]);
  const [modelsLoading, setModelsLoading] = useState(false);
  const [modelsError, setModelsError] = useState<string | null>(null);

  // Fetch models for model dropdown
  useEffect(() => {
    let cancelled = false;
    setModelsLoading(true);
    setModelsError(null);

    fetchModels()
      .then((response) => {
        if (!cancelled) {
          setModels(response.models);
        }
      })
      .catch((err: unknown) => {
        if (!cancelled) {
          setModelsError(err instanceof Error ? err.message : "Failed to load models");
        }
      })
      .finally(() => {
        if (!cancelled) {
          setModelsLoading(false);
        }
      });

    return () => {
      cancelled = true;
    };
  }, []);

  const [errors, setErrors] = useState<Record<string, string>>({});
  const [submitting, setSubmitting] = useState(false);

  // Auto-fill cron expression when preset is selected
  useEffect(() => {
    if (scheduleType !== "custom") {
      setCronExpression(PRESET_CRON[scheduleType]);
    }
  }, [scheduleType]);

  // Compute combined model value from separate fields
  const modelValue = (modelProvider && modelId) ? `${modelProvider}/${modelId}` : "";

  // Handle model selection from the dropdown
  const handleModelChange = useCallback((value: string) => {
    if (!value) {
      setModelProvider("");
      setModelId("");
    } else {
      const slashIdx = value.indexOf("/");
      if (slashIdx !== -1) {
        setModelProvider(value.slice(0, slashIdx));
        setModelId(value.slice(slashIdx + 1));
      }
    }
  }, []);

  const validate = useCallback((): boolean => {
    const e: Record<string, string> = {};
    if (!name.trim()) e.name = "Name is required";
    
    // Scope validation: project scope requires projectId
    if (localScope === "project" && !projectId) {
      e.scope = "Project-specific entries require an active project.";
    }
    
    // Simple mode validation
    if (mode === "simple") {
      if (simpleType === "command") {
        if (!command.trim()) e.command = "Command is required";
      } else if (simpleType === "ai-prompt") {
        // AI Prompt mode
        if (!prompt.trim()) e.prompt = "Prompt is required";
        
        // Model consistency check: both must be set or both must be empty
        const hasProvider = !!modelProvider.trim();
        const hasModelId = !!modelId.trim();
        if (hasProvider !== hasModelId) {
          e.model = "Both model provider and model ID must be set, or both must be empty";
        }
      } else if (simpleType === "create-task") {
        // Create Task mode
        if (!taskDescription.trim()) e.taskDescription = "Task description is required";
        
        // Model consistency check: both must be set or both must be empty
        const hasProvider = !!modelProvider.trim();
        const hasModelId = !!modelId.trim();
        if (hasProvider !== hasModelId) {
          e.model = "Both model provider and model ID must be set, or both must be empty";
        }
      }
    }
    
    // Advanced mode validation
    if (mode === "advanced" && steps.length === 0) e.steps = "At least one step is required";
    
    // Validate step content in multi-step mode
    if (mode === "advanced" && steps.length > 0) {
      const incompleteSteps: string[] = [];
      
      for (let i = 0; i < steps.length; i++) {
        const step = steps[i];
        if (!step.name?.trim()) {
          incompleteSteps.push(`Step ${i + 1}: Name is required`);
        }
        if (step.type === "command" && !step.command?.trim()) {
          incompleteSteps.push(`Step ${i + 1}: Command is required`);
        }
        if (step.type === "ai-prompt" && !step.prompt?.trim()) {
          incompleteSteps.push(`Step ${i + 1}: Prompt is required`);
        }
      }
      
      if (incompleteSteps.length > 0) {
        e.steps = incompleteSteps.join("; ");
      }
      
      // Check if any steps are currently being edited
      if (hasEditingSteps) {
        e.stepsEditing = "Please save or cancel all step edits before saving the schedule";
      }
    }
    
    if (scheduleType === "custom") {
      if (!cronExpression.trim()) {
        e.cronExpression = "Cron expression is required for custom schedules";
      } else if (!isLikelyCron(cronExpression)) {
        e.cronExpression = "Invalid cron format — expected 5 fields (e.g. '0 */6 * * *')";
      }
    }
    if (timeoutMs < 1000) {
      e.timeoutMs = "Timeout must be at least 1 second (1000ms)";
    }
    setErrors(e);
    return Object.keys(e).length === 0;
  }, [name, command, prompt, modelProvider, modelId, mode, simpleType, steps, scheduleType, cronExpression, timeoutMs, hasEditingSteps, taskDescription, localScope]);

  const handleSubmit = useCallback(
    async (e: React.FormEvent) => {
      e.preventDefault();
      if (!validate()) return;
      setSubmitting(true);
      try {
        let submitData: ScheduledTaskCreateInput;
        
        // Determine scope: use edit mode's existing scope, otherwise use localScope
        // When localScope is "project" but no projectId provided, fall back to "global"
        let effectiveScope = schedule?.scope ?? localScope;
        if (effectiveScope === "project" && !projectId) {
          effectiveScope = "global";
        }
        
        if (mode === "simple") {
          if (simpleType === "command") {
            submitData = {
              name: name.trim(),
              description: description.trim() || undefined,
              scheduleType,
              cronExpression: scheduleType === "custom" ? cronExpression.trim() : undefined,
              command: command.trim(),
              enabled,
              timeoutMs,
              steps: undefined,
              scope: effectiveScope,
            };
          } else if (simpleType === "ai-prompt") {
            // AI Prompt mode - create a single-step automation
            const aiStep: AutomationStep = {
              id: generateStepId(),
              type: "ai-prompt",
              name: name.trim(),
              prompt: prompt.trim(),
              modelProvider: modelProvider.trim() || undefined,
              modelId: modelId.trim() || undefined,
            };
            submitData = {
              name: name.trim(),
              description: description.trim() || undefined,
              scheduleType,
              cronExpression: scheduleType === "custom" ? cronExpression.trim() : undefined,
              command: "",
              enabled,
              timeoutMs,
              steps: [aiStep],
              scope: effectiveScope,
            };
          } else {
            // Create Task mode - create a single-step create-task automation
            const createTaskStep: AutomationStep = {
              id: generateStepId(),
              type: "create-task",
              name: name.trim(),
              taskTitle: taskTitle.trim() || undefined,
              taskDescription: taskDescription.trim(),
              taskColumn: taskColumn,
              modelProvider: modelProvider.trim() || undefined,
              modelId: modelId.trim() || undefined,
            };
            submitData = {
              name: name.trim(),
              description: description.trim() || undefined,
              scheduleType,
              cronExpression: scheduleType === "custom" ? cronExpression.trim() : undefined,
              command: "",
              enabled,
              timeoutMs,
              steps: [createTaskStep],
              scope: effectiveScope,
            };
          }
        } else {
          submitData = {
            name: name.trim(),
            description: description.trim() || undefined,
            scheduleType,
            cronExpression: scheduleType === "custom" ? cronExpression.trim() : undefined,
            command: "",
            enabled,
            timeoutMs,
            steps,
            scope: effectiveScope,
          };
        }
        
        await onSubmit(submitData);
      } finally {
        setSubmitting(false);
      }
    },
    [validate, onSubmit, name, description, scheduleType, cronExpression, command, prompt, modelProvider, modelId, enabled, timeoutMs, mode, simpleType, steps, localScope, projectId, schedule?.scope, taskTitle, taskDescription, taskColumn],
  );

  const cronFieldId = "schedule-cron";
  const cronErrorId = "schedule-cron-error";
  const nameErrorId = "schedule-name-error";
  const commandErrorId = "schedule-command-error";
  const promptErrorId = "schedule-prompt-error";
  const modelErrorId = "schedule-model-error";
  const taskDescriptionErrorId = "schedule-task-description-error";
  const taskModelErrorId = "schedule-task-model-error";
  const timeoutErrorId = "schedule-timeout-error";

  return (
    <form className="schedule-form" onSubmit={handleSubmit} noValidate>
      <h4 className="settings-section-heading">
        {isEditing ? "Edit Schedule" : "New Schedule"}
      </h4>

      <div className="form-group">
        <label htmlFor="schedule-name">Name</label>
        <input
          id="schedule-name"
          type="text"
          placeholder="e.g. Update dependencies"
          value={name}
          onChange={(e) => setName(e.target.value)}
          aria-invalid={!!errors.name}
          aria-describedby={errors.name ? nameErrorId : undefined}
        />
        {errors.name && (
          <small id={nameErrorId} className="field-error">{errors.name}</small>
        )}
      </div>

      <div className="form-group">
        <label htmlFor="schedule-description">Description (optional)</label>
        <textarea
          id="schedule-description"
          placeholder="What does this schedule do?"
          value={description}
          onChange={(e) => setDescription(e.target.value)}
          rows={2}
        />
      </div>

      {/* Scope selector */}
      <div className="form-group">
        <label>Scope</label>
        <div className="schedule-scope-toggle" role="radiogroup" aria-label="Schedule scope">
          <button
            type="button"
            className={`schedule-scope-btn${localScope === 'global' ? " active" : ""}`}
            onClick={() => { setLocalScope("global"); onScopeChange?.("global"); }}
            role="radio"
            aria-checked={localScope === 'global' ? "true" : "false"}
            disabled={!!schedule?.scope}
            title={schedule?.scope ? `Scope is locked to ${schedule.scope} for existing schedules` : "Global scope"}
          >
            <Globe size={12} />
            Global
          </button>
          <button
            type="button"
            className={`schedule-scope-btn${localScope === 'project' ? " active" : ""}`}
            onClick={() => { setLocalScope("project"); onScopeChange?.("project"); }}
            role="radio"
            aria-checked={localScope === 'project' ? "true" : "false"}
            disabled={!!schedule?.scope || !projectId}
            title={schedule?.scope ? `Scope is locked to ${schedule.scope} for existing schedules` : !projectId ? "Select a project to enable project scope" : "Project scope"}
          >
            <Folder size={12} />
            Project
          </button>
        </div>
        <small>
          {!projectId && !schedule?.scope
            ? "No active project. Schedules will be created at global scope."
            : localScope === "project" && projectId
              ? `This schedule will be scoped to the current project.`
              : "This schedule will be created at global scope."}
        </small>
        {errors.scope && (
          <small className="field-error">{errors.scope}</small>
        )}
      </div>

      <div className="form-group">
        <label htmlFor="schedule-type">Schedule</label>
        <select
          id="schedule-type"
          value={scheduleType}
          onChange={(e) => setScheduleType(e.target.value as ScheduleType)}
        >
          {Object.entries(SCHEDULE_TYPE_LABELS).map(([value, label]) => (
            <option key={value} value={value}>{label}</option>
          ))}
        </select>
      </div>

      <div className="form-group">
        <label htmlFor={cronFieldId}>
          Cron Expression
        </label>
        <input
          id={cronFieldId}
          type="text"
          placeholder="* * * * *"
          value={cronExpression}
          onChange={(e) => setCronExpression(e.target.value)}
          disabled={scheduleType !== "custom"}
          aria-invalid={!!errors.cronExpression}
          aria-describedby={errors.cronExpression ? cronErrorId : undefined}
        />
        {errors.cronExpression ? (
          <small id={cronErrorId} className="field-error">{errors.cronExpression}</small>
        ) : (
          <small>
            {scheduleType === "custom" ? (
              <>min hour day month weekday — <a href="https://crontab.guru" target="_blank" rel="noopener noreferrer">crontab.guru</a></>
            ) : (
              `Auto-filled from preset: ${cronExpression}`
            )}
          </small>
        )}
      </div>

      {/* Mode switcher */}
      <div className="form-group">
        <label>Execution Mode</label>
        <div className="schedule-mode-toggle" role="radiogroup" aria-label="Execution mode">
          <button
            type="button"
            className={`schedule-mode-btn${mode === "simple" ? " active" : ""}`}
            onClick={() => setMode("simple")}
            role="radio"
            aria-checked={mode === "simple"}
          >
            Simple
          </button>
          <button
            type="button"
            className={`schedule-mode-btn${mode === "advanced" ? " active" : ""}`}
            onClick={() => setMode("advanced")}
            role="radio"
            aria-checked={mode === "advanced"}
          >
            Multi-Step
          </button>
        </div>
        <small>
          {mode === "simple"
            ? "Run a single shell command or AI prompt"
            : "Run multiple steps sequentially (commands and AI prompts)"}
        </small>
      </div>

      {mode === "simple" ? (
        <>
          {/* Simple mode type toggle */}
          <div className="form-group">
            <label>Action Type</label>
            <div className="schedule-mode-toggle" role="radiogroup" aria-label="Action type">
              <button
                type="button"
                className={`schedule-mode-btn${simpleType === "command" ? " active" : ""}`}
                onClick={() => setSimpleType("command")}
                role="radio"
                aria-checked={simpleType === "command"}
              >
                Command
              </button>
              <button
                type="button"
                className={`schedule-mode-btn${simpleType === "ai-prompt" ? " active" : ""}`}
                onClick={() => setSimpleType("ai-prompt")}
                role="radio"
                aria-checked={simpleType === "ai-prompt"}
              >
                AI Prompt
              </button>
              <button
                type="button"
                className={`schedule-mode-btn${simpleType === "create-task" ? " active" : ""}`}
                onClick={() => setSimpleType("create-task")}
                role="radio"
                aria-checked={simpleType === "create-task"}
              >
                Create Task
              </button>
            </div>
          </div>

          {simpleType === "command" ? (
            <div className="form-group">
              <label htmlFor="schedule-command">Command</label>
              <input
                id="schedule-command"
                type="text"
                placeholder="e.g. npm run update-deps"
                value={command}
                onChange={(e) => setCommand(e.target.value)}
                aria-invalid={!!errors.command}
                aria-describedby={errors.command ? commandErrorId : undefined}
              />
              {errors.command ? (
                <small id={commandErrorId} className="field-error">{errors.command}</small>
              ) : (
                <small>Shell command to execute. Runs with your user permissions.</small>
              )}
            </div>
          ) : simpleType === "ai-prompt" ? (
            <>
              <div className="form-group">
                <label htmlFor="schedule-prompt">Prompt</label>
                <textarea
                  id="schedule-prompt"
                  placeholder="e.g. Summarize recent git commits and identify action items"
                  value={prompt}
                  onChange={(e) => setPrompt(e.target.value)}
                  rows={3}
                  aria-invalid={!!errors.prompt}
                  aria-describedby={errors.prompt ? promptErrorId : undefined}
                />
                {errors.prompt ? (
                  <small id={promptErrorId} className="field-error">{errors.prompt}</small>
                ) : (
                  <small>AI prompt to execute. Provide clear instructions for the task.</small>
                )}
              </div>

              <div className="form-group">
                <label htmlFor="schedule-model">Model (optional)</label>
                <CustomModelDropdown
                  id="schedule-model"
                  label="Model"
                  models={models}
                  value={modelValue}
                  onChange={handleModelChange}
                  placeholder="Use default"
                  disabled={modelsLoading}
                />
                {modelsError && <small className="field-error">{modelsError}</small>}
                {errors.model ? (
                  <small id={modelErrorId} className="field-error">{errors.model}</small>
                ) : (
                  <small>AI model for this prompt. Uses default if not selected.</small>
                )}
              </div>
            </>
          ) : (
            <>
              <div className="form-group">
                <label htmlFor="schedule-task-title">Task Title (optional)</label>
                <input
                  id="schedule-task-title"
                  type="text"
                  placeholder="e.g. Review weekly dependencies"
                  value={taskTitle}
                  onChange={(e) => setTaskTitle(e.target.value)}
                />
              </div>

              <div className="form-group">
                <label htmlFor="schedule-task-description">Task Description (required)</label>
                <textarea
                  id="schedule-task-description"
                  placeholder="e.g. Check all npm dependencies for security vulnerabilities"
                  value={taskDescription}
                  onChange={(e) => setTaskDescription(e.target.value)}
                  rows={4}
                  aria-invalid={!!errors.taskDescription}
                  aria-describedby={errors.taskDescription ? taskDescriptionErrorId : undefined}
                />
                {errors.taskDescription ? (
                  <small id={taskDescriptionErrorId} className="field-error">{errors.taskDescription}</small>
                ) : (
                  <small>Describes the task that will be created.</small>
                )}
              </div>

              <div className="form-group">
                <label htmlFor="schedule-task-column">Target Column</label>
                <select
                  id="schedule-task-column"
                  value={taskColumn}
                  onChange={(e) => setTaskColumn(e.target.value)}
                >
                  <option value="triage">Triage</option>
                  <option value="todo">To Do</option>
                </select>
              </div>

              <div className="form-group">
                <label htmlFor="schedule-task-model">Executor Model (optional)</label>
                <CustomModelDropdown
                  id="schedule-task-model"
                  label="Executor Model"
                  models={models}
                  value={modelValue}
                  onChange={handleModelChange}
                  placeholder="Use default"
                  disabled={modelsLoading}
                />
                {modelsError && <small className="field-error">{modelsError}</small>}
                {errors.model ? (
                  <small id={taskModelErrorId} className="field-error">{errors.model}</small>
                ) : (
                  <small>AI model used to execute the created task. Uses default if not selected.</small>
                )}
              </div>
            </>
          )}
        </>
      ) : (
        <>
          <ScheduleStepsEditor 
            steps={steps} 
            onChange={setSteps} 
            onEditingChange={setHasEditingSteps}
          />
          {errors.steps && (
            <small className="field-error">{errors.steps}</small>
          )}
          {errors.stepsEditing && (
            <small className="field-error">{errors.stepsEditing}</small>
          )}
        </>
      )}

      <div className="form-group">
        <label htmlFor="schedule-timeout">Timeout (ms)</label>
        <input
          id="schedule-timeout"
          type="number"
          min={1000}
          step={1000}
          value={timeoutMs}
          onChange={(e) => setTimeoutMs(Number(e.target.value))}
          aria-invalid={!!errors.timeoutMs}
          aria-describedby={errors.timeoutMs ? timeoutErrorId : undefined}
        />
        {errors.timeoutMs ? (
          <small id={timeoutErrorId} className="field-error">{errors.timeoutMs}</small>
        ) : (
          <small>Maximum execution time in milliseconds (default 300000 = 5 min)</small>
        )}
      </div>

      <div className="form-group">
        <label htmlFor="schedule-enabled" className="checkbox-label">
          <input
            id="schedule-enabled"
            type="checkbox"
            checked={enabled}
            onChange={(e) => setEnabled(e.target.checked)}
          />
          Enabled
        </label>
        <small>When disabled, the schedule will not run automatically</small>
      </div>

      <div className="modal-actions">
        <button
          type="button"
          className="btn btn-sm"
          onClick={onCancel}
          disabled={submitting}
        >
          Cancel
        </button>
        <button
          type="submit"
          className="btn btn-primary btn-sm"
          disabled={submitting}
        >
          {submitting ? "Saving…" : isEditing ? "Save Changes" : "Create Schedule"}
        </button>
      </div>
    </form>
  );
}