import { describe, it, expect } from 'vitest'
import { evaluateView } from './viewFilters'
import type { VaultEntry, ViewDefinition } from '../types'

const NOW = Math.floor(Date.now() / 1000)

function makeEntry(overrides: Partial<VaultEntry>): VaultEntry {
  return {
    path: '/vault/test.md', filename: 'test.md', title: 'Test', isA: null,
    aliases: [], belongsTo: [], relatedTo: [], status: null,
    archived: false, trashed: false, trashedAt: null,
    modifiedAt: NOW, createdAt: NOW, fileSize: 100, snippet: '',
    wordCount: 0, relationships: {}, icon: null, color: null,
    order: null, sidebarLabel: null, template: null, sort: null, view: null,
    visible: null, favorite: false, favoriteIndex: null,
    outgoingLinks: [], properties: {},
    ...overrides,
  }
}

describe('evaluateView', () => {
  it('filters by type equals', () => {
    const view: ViewDefinition = {
      name: 'Projects', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'type', op: 'equals', value: 'Project' }] },
    }
    const entries = [
      makeEntry({ isA: 'Project', title: 'P1' }),
      makeEntry({ isA: 'Note', title: 'N1' }),
      makeEntry({ isA: 'Project', title: 'P2' }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['P1', 'P2'])
  })

  it('filters by status not_equals', () => {
    const view: ViewDefinition = {
      name: 'Active', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'status', op: 'not_equals', value: 'done' }] },
    }
    const entries = [
      makeEntry({ status: 'active', title: 'A' }),
      makeEntry({ status: 'done', title: 'D' }),
      makeEntry({ status: null, title: 'N' }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['A', 'N'])
  })

  it('filters by relationship contains wikilink', () => {
    const view: ViewDefinition = {
      name: 'Related', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'Related to', op: 'contains', value: '[[laputa-app]]' }] },
    }
    const entries = [
      makeEntry({ title: 'Match', relationships: { 'Related to': ['[[laputa-app|Laputa App]]', '[[other]]'] } }),
      makeEntry({ title: 'No match', relationships: { 'Related to': ['[[something]]'] } }),
      makeEntry({ title: 'No rels', relationships: {} }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['Match'])
  })

  it('evaluates nested AND/OR groups', () => {
    const view: ViewDefinition = {
      name: 'Complex', icon: null, color: null, sort: null,
      filters: {
        any: [
          { all: [{ field: 'type', op: 'equals', value: 'Project' }, { field: 'status', op: 'equals', value: 'active' }] },
          { all: [{ field: 'type', op: 'equals', value: 'Event' }] },
        ],
      },
    }
    const entries = [
      makeEntry({ isA: 'Project', status: 'active', title: 'Active Proj' }),
      makeEntry({ isA: 'Project', status: 'done', title: 'Done Proj' }),
      makeEntry({ isA: 'Event', title: 'My Event' }),
      makeEntry({ isA: 'Note', title: 'Random' }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['Active Proj', 'My Event'])
  })

  it('filters by is_empty and is_not_empty', () => {
    const view: ViewDefinition = {
      name: 'Has Status', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'status', op: 'is_not_empty' }] },
    }
    const entries = [
      makeEntry({ status: 'active', title: 'Has' }),
      makeEntry({ status: null, title: 'Null' }),
      makeEntry({ status: '', title: 'Empty' }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['Has'])
  })

  it('excludes archived and trashed entries', () => {
    const view: ViewDefinition = {
      name: 'All', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'type', op: 'equals', value: 'Note' }] },
    }
    const entries = [
      makeEntry({ isA: 'Note', title: 'Active' }),
      makeEntry({ isA: 'Note', title: 'Archived', archived: true }),
      makeEntry({ isA: 'Note', title: 'Trashed', trashed: true }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['Active'])
  })

  it('filters by property field', () => {
    const view: ViewDefinition = {
      name: 'By Owner', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'Owner', op: 'equals', value: 'Luca' }] },
    }
    const entries = [
      makeEntry({ title: 'Match', properties: { Owner: 'Luca' } }),
      makeEntry({ title: 'Other', properties: { Owner: 'Brian' } }),
      makeEntry({ title: 'None', properties: {} }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['Match'])
  })

  it('filters with any_of operator', () => {
    const view: ViewDefinition = {
      name: 'Multi', icon: null, color: null, sort: null,
      filters: { all: [{ field: 'status', op: 'any_of', value: ['active', 'in progress'] }] },
    }
    const entries = [
      makeEntry({ status: 'active', title: 'A' }),
      makeEntry({ status: 'In Progress', title: 'B' }),
      makeEntry({ status: 'done', title: 'C' }),
    ]
    const result = evaluateView(view, entries)
    expect(result.map((e) => e.title)).toEqual(['A', 'B'])
  })
})