import { describe, it, expect } from 'vitest'

import {
  ideaCreateSchema,
  ideaUpdateSchema,
  ideaPlanMdFrontmatterSchema,
} from '@/lib/schemas/idea'

describe('ideaCreateSchema', () => {
  it('accepts minimal valid input', () => {
    const r = ideaCreateSchema.safeParse({ title: 'Plant-watering reminder' })
    expect(r.success).toBe(true)
  })

  it('trims and enforces non-empty title', () => {
    const r = ideaCreateSchema.safeParse({ title: '   ' })
    expect(r.success).toBe(false)
  })

  it('rejects oversized title and description', () => {
    expect(ideaCreateSchema.safeParse({ title: 'x'.repeat(201) }).success).toBe(false)
    expect(
      ideaCreateSchema.safeParse({ title: 'ok', description: 'x'.repeat(4001) }).success,
    ).toBe(false)
  })

  it('accepts cuid-like product_id', () => {
    const r = ideaCreateSchema.safeParse({
      title: 'Idee',
      product_id: 'cmohrysyj0000rd17clnjy4tc',
    })
    expect(r.success).toBe(true)
  })

  it('rejects non-cuid product_id', () => {
    const r = ideaCreateSchema.safeParse({ title: 'Idee', product_id: 'not-a-cuid' })
    expect(r.success).toBe(false)
  })
})

describe('ideaUpdateSchema', () => {
  it('allows empty object (no-op update)', () => {
    expect(ideaUpdateSchema.safeParse({}).success).toBe(true)
  })

  it('allows partial title update', () => {
    expect(ideaUpdateSchema.safeParse({ title: 'Updated' }).success).toBe(true)
  })
})

describe('ideaPlanMdFrontmatterSchema', () => {
  const validPlan = {
    pbi: { title: 'Test PBI', priority: 2 },
    stories: [
      {
        title: 'Eerste flow',
        priority: 2,
        tasks: [
          { title: 'Setup', priority: 2, implementation_plan: '1. Doe X' },
        ],
      },
    ],
  }

  it('accepts a minimal valid plan', () => {
    expect(ideaPlanMdFrontmatterSchema.safeParse(validPlan).success).toBe(true)
  })

  it('requires at least one story', () => {
    const r = ideaPlanMdFrontmatterSchema.safeParse({ ...validPlan, stories: [] })
    expect(r.success).toBe(false)
  })

  it('requires at least one task per story', () => {
    const r = ideaPlanMdFrontmatterSchema.safeParse({
      ...validPlan,
      stories: [{ ...validPlan.stories[0], tasks: [] }],
    })
    expect(r.success).toBe(false)
  })

  it('validates priority bounds 1-4', () => {
    expect(
      ideaPlanMdFrontmatterSchema.safeParse({
        ...validPlan,
        pbi: { ...validPlan.pbi, priority: 5 },
      }).success,
    ).toBe(false)
    expect(
      ideaPlanMdFrontmatterSchema.safeParse({
        ...validPlan,
        pbi: { ...validPlan.pbi, priority: 0 },
      }).success,
    ).toBe(false)
  })

  it('accepts optional verify_required + verify_only', () => {
    const r = ideaPlanMdFrontmatterSchema.safeParse({
      ...validPlan,
      stories: [
        {
          ...validPlan.stories[0],
          tasks: [
            {
              title: 'Verify-only task',
              priority: 2,
              verify_required: 'ALIGNED_OR_PARTIAL',
              verify_only: true,
            },
          ],
        },
      ],
    })
    expect(r.success).toBe(true)
  })

  it('rejects invalid verify_required enum', () => {
    const r = ideaPlanMdFrontmatterSchema.safeParse({
      ...validPlan,
      stories: [
        {
          ...validPlan.stories[0],
          tasks: [
            { title: 't', priority: 2, verify_required: 'INVALID' },
          ],
        },
      ],
    })
    expect(r.success).toBe(false)
  })

  it('accepts plan with task.priority omitted (inherits story-priority via materialize)', () => {
    const r = ideaPlanMdFrontmatterSchema.safeParse({
      ...validPlan,
      stories: [
        {
          title: 'Story zonder task-priorities',
          priority: 2,
          tasks: [
            { title: 'Taak 1' }, // geen priority — moet geaccepteerd
            { title: 'Taak 2', verify_required: 'ALIGNED' },
          ],
        },
      ],
    })
    expect(r.success).toBe(true)
  })
})