import { z } from 'zod';

import { baseListQuerySchema } from '@/lib/api/route-helpers';
import { PIPELINE_STAGES, LEAD_CATEGORIES } from '@/lib/constants';

// ─── Create ──────────────────────────────────────────────────────────────────

export const createInterestSchema = z.object({
  clientId: z.string().min(1),
  berthId: z.string().optional(),
  pipelineStage: z.enum(PIPELINE_STAGES).default('open'),
  leadCategory: z.enum(LEAD_CATEGORIES).optional(),
  source: z.string().optional(),
  notes: z.string().optional(),
  tagIds: z.array(z.string()).optional().default([]),
  reminderEnabled: z.boolean().optional().default(false),
  reminderDays: z.number().int().min(1).optional(),
});

// ─── Update ──────────────────────────────────────────────────────────────────

export const updateInterestSchema = createInterestSchema
  .omit({ clientId: true, tagIds: true })
  .partial();

// ─── Change Stage ─────────────────────────────────────────────────────────────

export const changeStageSchema = z.object({
  pipelineStage: z.enum(PIPELINE_STAGES),
  reason: z.string().optional(),
});

// ─── List ─────────────────────────────────────────────────────────────────────

export const listInterestsSchema = baseListQuerySchema.extend({
  clientId: z.string().optional(),
  berthId: z.string().optional(),
  pipelineStage: z
    .string()
    .transform((v) => v.split(',').filter(Boolean))
    .optional(),
  leadCategory: z.enum(LEAD_CATEGORIES).optional(),
  eoiStatus: z.string().optional(),
  tagIds: z
    .string()
    .transform((v) => v.split(',').filter(Boolean))
    .optional(),
});

// ─── Waiting List ─────────────────────────────────────────────────────────────

export const waitingListAddSchema = z.object({
  clientId: z.string().min(1),
  priority: z.enum(['normal', 'high']).default('normal'),
  notifyPref: z.enum(['email', 'in_app', 'both']).default('email'),
  notes: z.string().optional(),
});

// ─── Generate Recommendations ─────────────────────────────────────────────────

export const generateRecommendationsSchema = z.object({
  interestId: z.string().min(1),
});

// ─── Public Interest ──────────────────────────────────────────────────────────

const addressSchema = z.object({
  street: z.string().max(500).optional(),
  city: z.string().max(200).optional(),
  stateProvince: z.string().max(200).optional(),
  postalCode: z.string().max(50).optional(),
  country: z.string().max(100).optional(),
});

export const publicInterestSchema = z
  .object({
    // New: first/last split
    firstName: z.string().min(1).max(100).optional(),
    lastName: z.string().min(1).max(100).optional(),
    // Backward compat
    fullName: z.string().min(1).max(200).optional(),
    email: z.string().email(),
    phone: z.string().min(1),
    preferredContactMethod: z.enum(['email', 'phone', 'sms']).optional(),
    mooringNumber: z.string().max(50).optional(),
    companyName: z.string().optional(),
    yachtName: z.string().optional(),
    yachtLengthFt: z.coerce.number().positive().optional(),
    yachtWidthFt: z.coerce.number().positive().optional(),
    yachtDraftFt: z.coerce.number().positive().optional(),
    preferredBerthSize: z.string().optional(),
    source: z.literal('website').default('website'),
    notes: z.string().max(2000).optional(),
    address: addressSchema.optional(),
  })
  .refine((data) => data.fullName || (data.firstName && data.lastName), {
    message: 'Either fullName or both firstName and lastName are required',
    path: ['fullName'],
  });

// ─── Reorder Waiting List ─────────────────────────────────────────────────────

export const reorderWaitingListSchema = z.object({
  entryId: z.string().min(1),
  newPosition: z.coerce.number().int().min(1),
});

// ─── Types ────────────────────────────────────────────────────────────────────

export type CreateInterestInput = z.infer<typeof createInterestSchema>;
export type UpdateInterestInput = z.infer<typeof updateInterestSchema>;
export type ChangeStageInput = z.infer<typeof changeStageSchema>;
export type ListInterestsInput = z.infer<typeof listInterestsSchema>;
export type WaitingListAddInput = z.infer<typeof waitingListAddSchema>;
export type PublicInterestInput = z.infer<typeof publicInterestSchema>;
export type ReorderWaitingListInput = z.infer<typeof reorderWaitingListSchema>;