package service

import (
	"encoding/json"
	"strings"
	"testing"
)

func TestNormalizeWindsurfRequestCanonicalizesToolsChoiceAndHistory(t *testing.T) {
	req := windsurfMessagesRequest{
		Tools: []windsurfRequestTool{
			{
				Name:        "list_files",
				Description: "List files",
				InputSchema: json.RawMessage(`{"type":"object"}`),
			},
			{
				Name:        "glob",
				Description: "Duplicate canonical alias",
				InputSchema: json.RawMessage(`{"type":"object","properties":{"path":{"type":"string"}}}`),
			},
			{
				Name:        "applyPatch",
				Description: "Patch files",
				InputSchema: json.RawMessage(`{"type":"object"}`),
			},
		},
		ToolChoice: map[string]any{
			"type": "tool",
			"name": "searchFiles",
		},
		Messages: []windsurfRequestMessage{
			{
				Role: "assistant",
				Content: json.RawMessage(`[
					{"type":"tool_use","id":"call-1","name":"read_file","input":{"filePath":"a.go"}},
					{"type":"text","text":"done"}
				]`),
			},
		},
	}

	normalizeWindsurfRequest(&req)

	if len(req.Tools) != 2 {
		t.Fatalf("normalized tools len = %d, want 2", len(req.Tools))
	}
	if req.Tools[0].Name != "glob" {
		t.Fatalf("first tool name = %q, want glob", req.Tools[0].Name)
	}
	if req.Tools[1].Name != "edit" {
		t.Fatalf("second tool name = %q, want edit", req.Tools[1].Name)
	}

	toolChoice, ok := req.ToolChoice.(map[string]any)
	if !ok {
		t.Fatalf("normalized tool choice type = %T, want map[string]any", req.ToolChoice)
	}
	if toolChoice["name"] != "grep" {
		t.Fatalf("tool choice name = %v, want grep", toolChoice["name"])
	}

	var blocks []windsurfContentBlock
	if err := json.Unmarshal(req.Messages[0].Content, &blocks); err != nil {
		t.Fatalf("unmarshal normalized message content: %v", err)
	}
	if len(blocks) == 0 || blocks[0].Name != "read" {
		t.Fatalf("tool_use name = %q, want read", blocks[0].Name)
	}
}

func TestWindsurfExtractContentTextFromRawPreservesStructuredToolResult(t *testing.T) {
	raw := json.RawMessage(`[
		{"type":"text","text":"summary"},
		{"type":"json","value":{"entries":["main.go"]}}
	]`)

	got := windsurfExtractContentTextFromRaw(raw)
	if !strings.Contains(got, `"type":"json"`) {
		t.Fatalf("structured tool_result content should be preserved, got %q", got)
	}
}