package main

import (
	"os"
	"path/filepath"
	"testing"
)

func TestNormalizeBaseURL(t *testing.T) {
	got, err := normalizeBaseURL("https://mpbot.cpshelp.cn/")
	if err != nil {
		t.Fatal(err)
	}
	if got != "https://mpbot.cpshelp.cn" {
		t.Fatalf("got %q", got)
	}

	if _, err := normalizeBaseURL("mpbot.cpshelp.cn"); err == nil {
		t.Fatal("expected invalid base url error")
	}
}

func TestEndpointURL(t *testing.T) {
	got, err := endpointURL("https://mpbot.cpshelp.cn/", "api/account/user/info")
	if err != nil {
		t.Fatal(err)
	}
	want := "https://mpbot.cpshelp.cn/api/account/user/info"
	if got != want {
		t.Fatalf("got %q want %q", got, want)
	}
}

func TestReadJSONDataLiteralAndFile(t *testing.T) {
	if _, err := readJSONData(`{"ok":true}`); err != nil {
		t.Fatal(err)
	}
	if _, err := readJSONData(`{"ok":`); err == nil {
		t.Fatal("expected invalid json error")
	}

	dir := t.TempDir()
	path := filepath.Join(dir, "body.json")
	if err := os.WriteFile(path, []byte(`{"from":"file"}`), 0o644); err != nil {
		t.Fatal(err)
	}
	if _, err := readJSONData("@" + path); err != nil {
		t.Fatal(err)
	}
}

func TestConfigRoundTrip(t *testing.T) {
	path := filepath.Join(t.TempDir(), ".htsy", "config.json")
	cfg := Config{
		BaseURL:   "https://mpbot.cpshelp.cn",
		Token:     "token-value",
		Username:  "user",
		LoginKind: "user",
	}
	if err := saveConfig(path, cfg); err != nil {
		t.Fatal(err)
	}
	loaded, err := loadConfig(path)
	if err != nil {
		t.Fatal(err)
	}
	if loaded.Token != cfg.Token || loaded.Username != cfg.Username || loaded.BaseURL != cfg.BaseURL {
		t.Fatalf("loaded config mismatch: %+v", loaded)
	}
}

func TestTokenFromResponse(t *testing.T) {
	token, err := tokenFromResponse([]byte(`{"token":"top-level"}`))
	if err != nil {
		t.Fatal(err)
	}
	if token != "top-level" {
		t.Fatalf("got %q", token)
	}

	token, err = tokenFromResponse([]byte(`{"code":0,"data":{"token":"nested"}}`))
	if err != nil {
		t.Fatal(err)
	}
	if token != "nested" {
		t.Fatalf("got %q", token)
	}
}

func TestSplitCallArgs(t *testing.T) {
	tests := []struct {
		name      string
		args      []string
		wantPath  string
		wantFlags []string
		wantErr   bool
	}{
		{
			name:      "path first",
			args:      []string{"/api/account/user/info", "-d", "{}"},
			wantPath:  "/api/account/user/info",
			wantFlags: []string{"-d", "{}"},
		},
		{
			name:      "flags first",
			args:      []string{"-d", "{}", "--raw", "/api/account/user/info"},
			wantPath:  "/api/account/user/info",
			wantFlags: []string{"-d", "{}", "--raw"},
		},
		{
			name:      "equals flag",
			args:      []string{"--data={}", "/api/account/user/info"},
			wantPath:  "/api/account/user/info",
			wantFlags: []string{"--data={}"},
		},
		{
			name:    "missing endpoint",
			args:    []string{"-d", "{}"},
			wantErr: true,
		},
		{
			name:    "missing flag value",
			args:    []string{"/api/account/user/info", "-d"},
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			gotPath, gotFlags, err := splitCallArgs(tt.args)
			if tt.wantErr {
				if err == nil {
					t.Fatal("expected error")
				}
				return
			}
			if err != nil {
				t.Fatal(err)
			}
			if gotPath != tt.wantPath {
				t.Fatalf("path got %q want %q", gotPath, tt.wantPath)
			}
			if len(gotFlags) != len(tt.wantFlags) {
				t.Fatalf("flags got %#v want %#v", gotFlags, tt.wantFlags)
			}
			for i := range gotFlags {
				if gotFlags[i] != tt.wantFlags[i] {
					t.Fatalf("flags got %#v want %#v", gotFlags, tt.wantFlags)
				}
			}
		})
	}
}