import os
import term
import v.util.diff

const vroot = os.real_path(@VMODROOT)
const tmp_dir = os.real_path(os.temp_dir())

const text_file = os.join_path(vroot, 'vlib', 'v', 'tests', 'vls', 'struct_text.vv')

fn testsuite_begin() {
    eprintln('testsuite_begin, text_file = ${text_file}')
}

fn testsuite_end() {
}

struct TestData {
    cmd    string
    output string
}

const test_data = [
    TestData{
        cmd:    'v -w -check -vls-mode ${os.quoted_path(text_file)}'
        output: '' // for a struct with `mut:` in it, should report no error
    },
]

fn test_main() {
    mut total_errors := 0

    for t in test_data {
        res := os.execute(t.cmd)
        if res.exit_code < 0 {
            println('fail execute ${t.cmd}')
            panic(res.output)
        }
        res_output := $if windows {
            res.output.replace('\r\n', '\n')
        } $else {
            res.output
        }
        if t.output != res_output {
            println('${term.red('FAIL')} ${t.cmd}')
            if diff_ := diff.compare_text(t.output, res_output) {
                println(term.header('difference:', '-'))
                println(diff_)
            } else {
                println(term.header('expected:', '-'))
                println(t.output)
                println(term.header('found:', '-'))
                println(res_output)
            }
            println(term.h_divider('-'))
            total_errors++
        } else {
            println('${term.green('OK  ')} ${t.cmd}')
        }
    }
    assert total_errors == 0
}