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

import { resolvePath } from '@/article-api/lib/resolve-path'

import type { Context, Page } from '@/types'

// Helper to create a minimal mock page

function createMockPage(relativePath: string): Page {

return {

relativePath,

permalinks: [],

} as unknown as Page

}

// Helper to create a minimal context with pages

function createContext(pages: Record<string, Page>): Context {

return { pages } as unknown as Context

}

describe('resolvePath', () => {

describe('external URLs', () => {

test('returns undefined for http URLs', () => {

const context = createContext({})

const result = resolvePath('http://example.com', 'en', '/en/copilot', context)

expect(result).toBeUndefined()

})

test('returns undefined for https URLs', () => {

const context = createContext({})

const result = resolvePath('https://example.com/path', 'en', '/en/copilot', context)

expect(result).toBeUndefined()

})

})

describe('missing context.pages', () => {

test('returns undefined when context.pages is undefined', () => {

const context = {} as Context

const result = resolvePath('/en/copilot', 'en', '/en', context)

expect(result).toBeUndefined()

})

})

describe('language-prefixed absolute paths', () => {

test('finds page with exact language-prefixed path', () => {

const page = createMockPage('copilot/quickstart.md')

const context = createContext({

'/en/copilot/quickstart': page,

})

const result = resolvePath('/en/copilot/quickstart', 'en', '/en/copilot', context)

expect(result).toBe(page)

})

test('handles trailing slash in href', () => {

const page = createMockPage('copilot/quickstart.md')

const context = createContext({

'/en/copilot/quickstart': page,

})

const result = resolvePath('/en/copilot/quickstart/', 'en', '/en/copilot', context)

expect(result).toBe(page)

})

})

describe('paths with leading slash (relative to pathname)', () => {

test('resolves path relative to current pathname', () => {

const page = createMockPage('copilot/get-started.md')

const context = createContext({

'/en/copilot/get-started': page,

})

const result = resolvePath('/get-started', 'en', '/en/copilot', context)

expect(result).toBe(page)

})

test('handles nested paths relative to pathname', () => {

const page = createMockPage('copilot/tutorials/basics.md')

const context = createContext({

'/en/copilot/tutorials/basics': page,

})

const result = resolvePath('/tutorials/basics', 'en', '/en/copilot', context)

expect(result).toBe(page)

})

})

describe('relative paths without leading slash', () => {

test('resolves relative path by joining with pathname', () => {

const page = createMockPage('copilot/quickstart.md')

const context = createContext({

'/en/copilot/quickstart': page,

})

const result = resolvePath('quickstart', 'en', '/en/copilot', context)

expect(result).toBe(page)

})

})

describe('versioned keys (endsWith matching)', () => {

test('finds versioned page using endsWith strategy', () => {

const page = createMockPage('copilot/index.md')

// The key ends with the path portion after the version string

const context = createContext({

'/en/enterprise-cloud@latest/copilot': page,

})

// When looking for /copilot, strategy 4 will find keys ending with /copilot

const result = resolvePath('/copilot', 'en', '/en', context)

expect(result).toBe(page)

})

test('finds page when key has trailing slash', () => {

const page = createMockPage('copilot/index.md')

const context = createContext({

'/en/copilot/': page,

})

const result = resolvePath('/en/copilot', 'en', '/en', context)

expect(result).toBe(page)

})

})

describe('not found cases', () => {

test('returns undefined when page does not exist', () => {

const context = createContext({

'/en/other': createMockPage('other.md'),

})

const result = resolvePath('/en/copilot', 'en', '/en', context)

expect(result).toBeUndefined()

})

})

})