use super::common::{serialize_yaml, TestErrorHandler};
use compiler::scanner::{ScanOption, Scanner, TextMode, TokenSource};
use insta::assert_snapshot;
use serde::Serialize;

fn scan_with_opt(s: &str, opt: ScanOption) -> impl TokenSource {
    let scanner = Scanner::new(opt);
    let ctx = TestErrorHandler;
    scanner.scan(s, ctx)
}

pub fn base_scan(s: &str) -> impl TokenSource {
    scan_with_opt(s, ScanOption::default())
}

fn assert_yaml<S: Serialize>(val: S, expr: &str) {
    let name = insta::_macro_support::AutoName;
    let val = serialize_yaml(val);
    assert_snapshot!(name, val, expr);
}

#[test]
fn test_scan() {
    let cases = [
        r#"<![CDATA["#,
        r#"{{}}"#,
        r#"{{test}}"#,
        r#"<a test="value">...</a>"#,
        r#"<a v-bind:['foo' + bar]="value">...</a>"#,
        r#"<tag =value />"#,
        r#"<a =123 />"#,
        r#"<a ==123 />"#,
        r#"<a b="" />"#,
        r#"<a == />"#,
        r#"<a wrong-attr>=123 />"#,
        r#"<a></a < / attr attr=">" >"#,
        r#"<a attr="1123"#,              // unclosed quote
        r#"<a attr=""#,                  // unclosed without val
        r#"<!-->"#,                      // abrupt closing
        r#"<!--->"#,                     // abrupt closing
        r#"<!---->"#,                    // ok
        r#"<!-- nested <!--> text -->"#, // ok
        r#"<p v-err=232/>"#,
    ];
    for case in cases {
        let val: Vec<_> = base_scan(case).collect();
        assert_yaml(val, case);
    }
}

#[test]
fn test_scan_raw_text() {
    let cases = [
        r#"<style></style"#,
        r#"<style></styl"#,
        r#"<style></styles"#,
        r#"<style></style "#,
        r#"<style></style>"#,
        r#"<style>abc</style>"#,
    ];
    for &case in cases.iter() {
        let opt = ScanOption {
            get_text_mode: |_| TextMode::RawText,
            ..Default::default()
        };
        let t: Vec<_> = scan_with_opt(case, opt).collect();
        assert_yaml(t, case);
    }
}
#[test]
fn test_scan_rc_data() {
    let cases = [
        r#"<textarea>   "#,
        r#"<textarea></textarea "#,
        r#"<textarea></textarea"#,
        r#"<textarea></textareas>"#,
        r#"<textarea><div/></textarea>"#,
        r#"<textarea><div/></textareas>"#,
        r#"<textarea>{{test}}</textarea>"#,
        r#"<textarea>{{'</textarea>'}}</textarea>"#,
        r#"<textarea>{{}}</textarea>"#,
        r#"<textarea>{{</textarea>"#,
        r#"<textarea>{{"#,
        r#"<textarea>{{ garbage  {{ }}</textarea>"#,
    ];
    for &case in cases.iter() {
        let opt = ScanOption {
            get_text_mode: |_| TextMode::RcData,
            ..Default::default()
        };
        let a: Vec<_> = scan_with_opt(case, opt).collect();
        assert_yaml(a, case);
    }
}