package parser_test

import (
	"testing"

	"git.sharkk.net/Sharkk/Mako/parser"
)

func TestMultilineStringLiterals(t *testing.T) {
	tests := []struct {
		input    string
		expected string
		desc     string
	}{
		{`[[hello world]]`, "hello world", "basic multiline string"},
		{`[[]]`, "", "empty multiline string"},
		{`[[hello
world]]`, "hello\nworld", "multiline with newline"},
		{`[[hello [brackets] world]]`, "hello [brackets] world", "nested single brackets"},
		{`[[line1
line2
line3]]`, "line1\nline2\nline3", "multiple lines"},
		{`[[	tab and spaces	]]`, "\ttab and spaces\t", "tabs and spaces"},
		{`[[special chars: @#$%^&*()]]`, "special chars: @#$%^&*()", "special characters"},
		{`[["quotes" and 'apostrophes']]`, `"quotes" and 'apostrophes'`, "quotes inside multiline"},
	}

	for _, tt := range tests {
		t.Run(tt.desc, func(t *testing.T) {
			l := parser.NewLexer(tt.input)
			p := parser.NewParser(l)
			expr := p.ParseExpression(parser.LOWEST)
			checkParserErrors(t, p)

			testStringLiteral(t, expr, tt.expected)
		})
	}
}

func TestMultilineStringInTables(t *testing.T) {
	tests := []struct {
		input    string
		expected string
		desc     string
	}{
		{`{[[hello]], [[world]]}`, `{"hello", "world"}`, "multiline strings in array"},
		{`{msg = [[hello world]]}`, `{msg = "hello world"}`, "multiline string in hash"},
		{`{[[key1]], "value1", key2 = [[value2]]}`, `{"key1", "value1", key2 = "value2"}`, "mixed strings in table"},
	}

	for _, tt := range tests {
		t.Run(tt.desc, func(t *testing.T) {
			l := parser.NewLexer(tt.input)
			p := parser.NewParser(l)
			expr := p.ParseExpression(parser.LOWEST)
			checkParserErrors(t, p)

			if expr.String() != tt.expected {
				t.Errorf("expected %s, got %s", tt.expected, expr.String())
			}
		})
	}
}

func TestMixedStringTypes(t *testing.T) {
	tests := []struct {
		input    string
		expected string
		desc     string
	}{
		{`"regular" + [[multiline]]`, `("regular" + "multiline")`, "regular + multiline"},
		{`{[[key1]] = "value1", "key2" = [[value2]]}`, `{"key1" = "value1", "key2" = "value2"}`, "mixed in table"},
	}

	for _, tt := range tests {
		t.Run(tt.desc, func(t *testing.T) {
			l := parser.NewLexer(tt.input)
			p := parser.NewParser(l)
			expr := p.ParseExpression(parser.LOWEST)
			checkParserErrors(t, p)

			if expr.String() != tt.expected {
				t.Errorf("expected %s, got %s", tt.expected, expr.String())
			}
		})
	}
}