//
//  DocumentTests.swift
//  GeminiFormatTests
//
//  Created by Shadowfacts on 7/12/20.
//

import XCTest
@testable import GeminiFormat

class DocumentTests: XCTestCase {

    func testLineText() {
        XCTAssertEqual(Document.Line.text("some text").geminiText(), "some text")
        XCTAssertEqual(Document.Line.link(URL(string: "gemini://example.com/foo?bar")!, text: "some link").geminiText(), "=> gemini://example.com/foo?bar some link")
        XCTAssertEqual(Document.Line.link(URL(string: "gemini://example.com/foo?bar")!, text: nil).geminiText(), "=> gemini://example.com/foo?bar")
        XCTAssertEqual(Document.Line.preformattedToggle(alt: "blah").geminiText(), "```blah")
        XCTAssertEqual(Document.Line.preformattedToggle(alt: nil).geminiText(), "```")
        XCTAssertEqual(Document.Line.preformattedText("test").geminiText(), "test")
        XCTAssertEqual(Document.Line.heading("one", level: .h1).geminiText(), "# one")
        XCTAssertEqual(Document.Line.heading("two", level: .h2).geminiText(), "## two")
        XCTAssertEqual(Document.Line.heading("three", level: .h3).geminiText(), "### three")
        XCTAssertEqual(Document.Line.unorderedListItem("list item").geminiText(), "* list item")
        XCTAssertEqual(Document.Line.quote("quoted").geminiText(), "> quoted")
    }
    
    func testDocumentText() {
        let doc = Document(url: URL(string: "gemini://example.com")!, lines: [
            .text("text"),
            .link(URL(string: "gemini://example.com/")!, text: "a link"),
            .link(URL(string: "gemini://example.com/foo?bar")!, text: nil),
            .preformattedToggle(alt: "blah"),
            .preformattedText("test"),
            .preformattedToggle(alt: nil),
            .heading("one", level: .h1),
            .heading("two", level: .h2),
            .heading("three", level: .h3),
            .unorderedListItem("list item"),
            .quote("quoted"),
        ])
        XCTAssertEqual(doc.toGeminiText(), """
text
=> gemini://example.com/ a link
=> gemini://example.com/foo?bar
```blah
test
```
# one
## two
### three
* list item
> quoted
""")
    }
    
    func testGetTitle() {
        let h1 = Document(url: URL(string: "gemini://example.com/")!, lines: [
            .heading("Test", level: .h1)
        ])
        XCTAssertEqual(h1.title, "Test")
        
        let h2 = Document(url: URL(string: "gemini://example.com/")!, lines: [
            .heading("Test", level: .h2)
        ])
        XCTAssertEqual(h2.title, "Test")
        
        let h3 = Document(url: URL(string: "gemini://example.com/")!, lines: [
            .heading("Test", level: .h3)
        ])
        XCTAssertEqual(h3.title, "Test")
        
        let multiple = Document(url: URL(string: "gemini://example.com/")!, lines: [
            .heading("Two", level: .h2),
            .heading("One", level: .h1),
            .heading("Three", level: .h3),
        ])
        XCTAssertEqual(multiple.title, "Two")
    }

}