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import { Result } from "./types/result";
import { HintRequest, Suggestion } from "./types/suggestion";
import { getSettings } from "../utils/index";
import { trackEvent } from "./log-api";
import {
AI_SUGGESTION_ENDPOINT,
ANSWER_ENDPOINT,
HINT_ENDPOINT,
LOG_SUGGESTION_ENDPOINT,
EXPLANATION_ENDPOINT,
REFINE_PROMPT_ENDPOINT,
} from "./types/endpoints";
/**
* Fetches AI-generated suggestions based on a given prompt.
*
* Logs the suggestion generation event with timing information.
*
* @param prompt - The user-provided prompt.
* @returns A promise resolving to an array of suggestions or an error message.
*/
export async function fetchSuggestions(
prompt: string
): Promise<{ suggestions?: string[]; error?: string }> {
try {
const settings = getSettings();
const startTime = Date.now();
let elapsedTime = null;
const vendor = settings["vendor"] || "google";
const model = settings["model"] || "gemini-2.0-flash";
if (!vendor || !model) {
console.error("Invalid vendor or model:", vendor, model);
return {
error: "Invalid vendor or model",
};
}
const response = await fetch(AI_SUGGESTION_ENDPOINT, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
prompt,
vendor,
model,
}),
});
const endTime = Date.now();
elapsedTime = endTime - startTime;
if (!response.ok) {
return {
error: `Error: ${response.status} ${response.statusText}`,
};
}
const data = await response.json();
if (!data.data) {
return { error: "Invalid response: Missing suggestions" };
}
const suggestions = data.data?.response;
if (!suggestions || suggestions.length === 0) {
return { error: "No suggestions found" };
}
const logData: LogData = {
event: LogEvent.MODEL_GENERATE,
timeLapse: elapsedTime,
metadata: {
suggestions: suggestions,
prompt,
vendor,
model,
},
};
trackEvent(logData);
return { suggestions: suggestions };
} catch (error) {
return {
error: error instanceof Error ? error.message : "Unknown error occurred",
};
}
}
/**
* Refines a raw user prompt to improve suggestion quality.
*
* @param rawPrompt - The original raw prompt text.
* @returns A promise resolving to a refined prompt or an error.
*/
export async function refinePrompt(
rawPrompt: string
): Promise<{ refinedPrompt?: string; error?: string }> {
try {
const response = await fetch(REFINE_PROMPT_ENDPOINT, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ rawPrompt }),
});
const data = await response.json();
const refinedPrompt = data?.data?.refinedPrompt;
if (!response.ok || !refinedPrompt) {
return {
error: data.error || "Failed to refine prompt",
};
}
return { refinedPrompt };
} catch (error) {
return {
error:
error instanceof Error ? error.message : "Prompt refinement failed",
};
}
}
/**
* Saves an AI-generated suggestion to the backend database.
*
* @param suggestion - The suggestion metadata to save.
* @returns A promise resolving to the result of the operation.
*/
export async function saveSuggestionToDatabase(
suggestion: Suggestion
): Promise<Result<string>> {
const body = JSON.stringify(suggestion);
try {
const response = await fetch(LOG_SUGGESTION_ENDPOINT, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: body,
});
if (!response.ok) {
throw new Error(`${response.status} ${response.statusText}`);
}
const result = await response.json();
return {
status: response.status,
success: true,
data: result.data as string,
};
} catch (error: any) {
console.error("Error saving suggestion: ", error);
return {
status: 500,
success: false,
error: error.message,
};
}
}
/**
* Retrieves a hint to help the user correct a buggy code suggestion.
*
* @param request - The hint request payload (prompt, wrong code, right code).
* @returns A promise resolving to the retrieved hint or an error.
*/
export async function getHint(request: HintRequest): Promise<Result<string>> {
const body = JSON.stringify(request);
try {
const response = await fetch(HINT_ENDPOINT, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: body,
});
if (!response.ok) {
throw new Error(`${response.status} ${response.statusText}`);
}
const result = await response.json();
if (!result || !result.data) {
throw new Error("Invalid response from server");
}
const { data } = result;
return {
status: response.status,
success: true,
data: data.hint as string,
};
} catch (error: any) {
console.error("Error getting hint: ", error);
return {
status: 500,
success: false,
error: error.message,
};
}
}
/**
* Retrieves a detailed explanation of why a suggestion may be incorrect.
*
* @param request - The explanation request payload (prompt, wrong code, right code).
* @returns A promise resolving to the retrieved explanation or an error.
*/
export async function getExplanation(
request: HintRequest
): Promise<Result<string>> {
const body = JSON.stringify(request);
try {
const response = await fetch(EXPLANATION_ENDPOINT, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: body,
});
if (!response.ok) {
throw new Error(`${response.status} ${response.statusText}`);
}
const result = await response.json();
if (!result || !result.data) {
throw new Error("Invalid response from server");
}
const { data } = result;
return {
status: response.status,
success: true,
data: data.explanation as string,
};
} catch (error: any) {
console.error("Error getting explanation: ", error);
return {
status: 500,
success: false,
error: error.message,
};
}
}
/**
* Submits a user's corrected code against a buggy suggestion to verify correctness.
*
* @param wrongCode - The original buggy code.
* @param fixedCode - The user's corrected version of the code.
* @param prompt - The original prompt for context.
* @returns A promise resolving to `true` if the fix is correct, otherwise `false`.
*/
export async function submitCode(
wrongCode: string,
fixedCode: string,
prompt: string
): Promise<boolean> {
try {
const response = await fetch(ANSWER_ENDPOINT, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
wrongCode,
fixedCode,
prompt,
}),
});
const data = await response.json();
console.log("Fix submitted:", data);
return data.data.isCorrect;
} catch (error) {
console.error("Error submitting fix:", error);
return false;
}
}
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