import { z } from 'zod';
import { BaseDomainEventPayloadSchema, changesSchema, updatedFieldsSchema, uuidSchema } from './commonEventPayloadSchemas';

const projectIdSchema = uuidSchema('Project ID');
const taskIdSchema = uuidSchema('Task ID');
const userIdSchema = uuidSchema('User ID');
const taskCommentIdSchema = uuidSchema('Task Comment ID');

const assignedToTypeSchema = z.enum(['user', 'team']).describe('Assignee type');

export const projectCreatedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  projectId: projectIdSchema,
  createdByUserId: userIdSchema.optional(),
  createdAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_CREATED');

export type ProjectCreatedEventPayload = z.infer<typeof projectCreatedEventPayloadSchema>;

export const projectUpdatedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  projectId: projectIdSchema,
  updatedAt: z.string().datetime().optional(),
  updatedFields: updatedFieldsSchema,
  changes: changesSchema,
}).describe('Payload for PROJECT_UPDATED');

export type ProjectUpdatedEventPayload = z.infer<typeof projectUpdatedEventPayloadSchema>;

export const projectStatusChangedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  projectId: projectIdSchema,
  previousStatus: z.string().min(1),
  newStatus: z.string().min(1),
  changedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_STATUS_CHANGED');

export type ProjectStatusChangedEventPayload = z.infer<typeof projectStatusChangedEventPayloadSchema>;

export const projectTaskCreatedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  createdByUserId: userIdSchema.optional(),
  createdAt: z.string().datetime().optional(),
  title: z.string().min(1),
  dueDate: z.string().optional(),
  status: z.string().min(1),
}).describe('Payload for PROJECT_TASK_CREATED');

export type ProjectTaskCreatedEventPayload = z.infer<typeof projectTaskCreatedEventPayloadSchema>;

export const projectTaskUpdatedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  updatedAt: z.string().datetime().optional(),
  updatedFields: updatedFieldsSchema,
  changes: changesSchema,
}).describe('Payload for PROJECT_TASK_UPDATED');

export type ProjectTaskUpdatedEventPayload = z.infer<typeof projectTaskUpdatedEventPayloadSchema>;

export const projectTaskAssignedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  assignedToId: z.string().uuid(),
  assignedToType: assignedToTypeSchema,
  assignedByUserId: userIdSchema.optional(),
  assignedByName: z.string().optional().describe('Display name of the user who assigned the task'),
  assignedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_TASK_ASSIGNED');

export type ProjectTaskAssignedEventPayload = z.infer<typeof projectTaskAssignedEventPayloadSchema>;

export const projectTaskStatusChangedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  previousStatus: z.string().min(1),
  newStatus: z.string().min(1),
  changedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_TASK_STATUS_CHANGED');

export type ProjectTaskStatusChangedEventPayload = z.infer<typeof projectTaskStatusChangedEventPayloadSchema>;

export const projectTaskCompletedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  completedByUserId: userIdSchema.optional(),
  completedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_TASK_COMPLETED');

export type ProjectTaskCompletedEventPayload = z.infer<typeof projectTaskCompletedEventPayloadSchema>;

export const projectTaskDependencyBlockedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  blockedByTaskId: taskIdSchema,
  blockedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_TASK_DEPENDENCY_BLOCKED');

export type ProjectTaskDependencyBlockedEventPayload = z.infer<
  typeof projectTaskDependencyBlockedEventPayloadSchema
>;

export const projectTaskDependencyUnblockedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  unblockedByTaskId: taskIdSchema,
  unblockedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_TASK_DEPENDENCY_UNBLOCKED');

export type ProjectTaskDependencyUnblockedEventPayload = z.infer<
  typeof projectTaskDependencyUnblockedEventPayloadSchema
>;

export const projectApprovalRequestedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  approvalId: z.string().uuid(),
  projectId: projectIdSchema,
  approvalType: z.string().min(1),
  requestedByUserId: userIdSchema.optional(),
  requestedAt: z.string().datetime().optional(),
  notes: z.string().optional(),
}).describe('Payload for PROJECT_APPROVAL_REQUESTED');

export type ProjectApprovalRequestedEventPayload = z.infer<typeof projectApprovalRequestedEventPayloadSchema>;

export const projectApprovalGrantedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  approvalId: z.string().uuid(),
  projectId: projectIdSchema,
  approvalType: z.string().min(1),
  approvedByUserId: userIdSchema.optional(),
  approvedAt: z.string().datetime().optional(),
  notes: z.string().optional(),
}).describe('Payload for PROJECT_APPROVAL_GRANTED');

export type ProjectApprovalGrantedEventPayload = z.infer<typeof projectApprovalGrantedEventPayloadSchema>;

export const projectApprovalRejectedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  approvalId: z.string().uuid(),
  projectId: projectIdSchema,
  approvalType: z.string().min(1),
  rejectedByUserId: userIdSchema.optional(),
  rejectedAt: z.string().datetime().optional(),
  reason: z.string().optional(),
}).describe('Payload for PROJECT_APPROVAL_REJECTED');

export type ProjectApprovalRejectedEventPayload = z.infer<typeof projectApprovalRejectedEventPayloadSchema>;

// ---------------------------------------------------------------------------
// Legacy project events (still used in harness fixtures)
// ---------------------------------------------------------------------------

export const projectAssignedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  projectId: projectIdSchema,
  assignedToId: z.string().uuid().optional(),
  assignedToType: assignedToTypeSchema.optional(),
  assignedByUserId: userIdSchema.optional(),
  assignedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_ASSIGNED');

export type ProjectAssignedEventPayload = z.infer<typeof projectAssignedEventPayloadSchema>;

export const projectClosedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  projectId: projectIdSchema,
  closedByUserId: userIdSchema.optional(),
  closedAt: z.string().datetime().optional(),
  reason: z.string().optional(),
}).describe('Payload for PROJECT_CLOSED');

export type ProjectClosedEventPayload = z.infer<typeof projectClosedEventPayloadSchema>;

export const projectTaskAdditionalAgentAssignedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  primaryAgentId: userIdSchema,
  additionalAgentId: userIdSchema,
  assignedByUserId: userIdSchema.optional(),
  assignedAt: z.string().datetime().optional(),
}).describe('Payload for PROJECT_TASK_ADDITIONAL_AGENT_ASSIGNED');

export type ProjectTaskAdditionalAgentAssignedEventPayload = z.infer<
  typeof projectTaskAdditionalAgentAssignedEventPayloadSchema
>;

export const taskCommentAddedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  taskCommentId: taskCommentIdSchema,
  commentContent: z.string().min(1),
  createdByUserId: userIdSchema.optional(),
  taskName: z.string().optional(),
}).describe('Payload for TASK_COMMENT_ADDED');

export type TaskCommentAddedEventPayload = z.infer<typeof taskCommentAddedEventPayloadSchema>;

export const taskCommentUpdatedEventPayloadSchema = BaseDomainEventPayloadSchema.extend({
  taskId: taskIdSchema,
  projectId: projectIdSchema,
  taskCommentId: taskCommentIdSchema,
  oldCommentContent: z.string().min(1).optional(),
  newCommentContent: z.string().min(1),
  updatedByUserId: userIdSchema.optional(),
  taskName: z.string().optional(),
}).describe('Payload for TASK_COMMENT_UPDATED');

export type TaskCommentUpdatedEventPayload = z.infer<typeof taskCommentUpdatedEventPayloadSchema>;