package plugin

import "testing"

func TestParseBaseSemver(t *testing.T) {
	cases := []struct {
		in            string
		major, minor, patch int
		wantErr       bool
	}{
		{"0.1.0", 0, 1, 0, false},
		{"1.0.0", 1, 0, 0, false},
		{"12.34.567", 12, 34, 567, false},
		{"0.0.0", 0, 0, 0, false},
		{"v0.1.0", 0, 0, 0, true},
		{"0.1", 0, 0, 0, true},
		{"0.1.0.0", 0, 0, 0, true},
		{"0.1.0-beta", 0, 0, 0, true},
		{"0.1.0+build", 0, 0, 0, true},
		{"-1.0.0", 0, 0, 0, true},
		{"a.b.c", 0, 0, 0, true},
		{"", 0, 0, 0, true},
	}
	for _, c := range cases {
		t.Run(c.in, func(t *testing.T) {
			maj, min, pat, err := ParseBaseSemver(c.in)
			if c.wantErr {
				if err == nil {
					t.Fatalf("ParseBaseSemver(%q): expected error, got %d.%d.%d", c.in, maj, min, pat)
				}
				return
			}
			if err != nil {
				t.Fatalf("ParseBaseSemver(%q): unexpected error: %v", c.in, err)
			}
			if maj != c.major || min != c.minor || pat != c.patch {
				t.Errorf("ParseBaseSemver(%q) = %d.%d.%d, want %d.%d.%d", c.in, maj, min, pat, c.major, c.minor, c.patch)
			}
		})
	}
}

func TestBumpVersion(t *testing.T) {
	cases := []struct {
		current, level, want string
		wantErr              bool
	}{
		{"0.1.0", "patch", "0.1.1", false},
		{"0.1.0", "minor", "0.2.0", false},
		{"0.1.0", "major", "1.0.0", false},
		{"1.2.3", "patch", "1.2.4", false},
		{"1.2.3", "minor", "1.3.0", false},
		{"1.2.3", "major", "2.0.0", false},
		{"0.0.0", "patch", "0.0.1", false},
		{"0.1.0", "build", "", true},
		{"0.1.0", "", "", true},
		{"v0.1.0", "patch", "", true},
		{"", "patch", "", true},
	}
	for _, c := range cases {
		t.Run(c.current+"/"+c.level, func(t *testing.T) {
			got, err := BumpVersion(c.current, c.level)
			if c.wantErr {
				if err == nil {
					t.Fatalf("BumpVersion(%q, %q): expected error, got %q", c.current, c.level, got)
				}
				return
			}
			if err != nil {
				t.Fatalf("BumpVersion(%q, %q): unexpected error: %v", c.current, c.level, err)
			}
			if got != c.want {
				t.Errorf("BumpVersion(%q, %q) = %q, want %q", c.current, c.level, got, c.want)
			}
		})
	}
}