import { apiRequest } from './common.ts'

export interface PromptVersion {
    id: string
    title: string
    content: string | null
    markdownContent: string | null
    promoted: boolean
    draft: boolean
}

export interface Prompt {
    id: string
    title: string
    projectId: string | null
    workspaceId: string
    inferencesPercentage: string
    layoutVersion: string
    customTags: string[]
    createdBy: string
    updatedBy: string
    deletedBy: string | null
    createdAt: string
    updatedAt: string
    deletedAt: string | null
    favorited?: boolean
    promotedVersion?: PromptVersion | null
    latestVersion?: PromptVersion | null
}

export interface ListPromptsOptions {
    projectId?: string
    workspaceId?: string
    includePromotedVersion?: boolean
    /** Return only the caller's personal drafts — the canvases with no project. */
    personal?: boolean
}

/**
 * List prompts with optional filtering.
 *
 * With no filter the response mixes project canvases with the caller's own personal drafts.
 * `projectId` excludes drafts; `personal` returns nothing but drafts.
 */
export async function listPrompts(options?: ListPromptsOptions): Promise<Prompt[]> {
    if (options?.projectId && options?.personal)
        throw new Error('projectId and personal are mutually exclusive — personal drafts have no project.')

    const params = new URLSearchParams()
    if (options?.projectId)
        params.set('projectId', options.projectId)
    if (options?.workspaceId)
        params.set('workspaceId', options.workspaceId)
    if (options?.includePromotedVersion)
        params.set('includePromotedVersion', 'true')
    if (options?.personal)
        params.set('personal', 'true')

    const query = params.toString()
    return await apiRequest<Prompt[]>(`/prompt${query ? `?${query}` : ''}`)
}

/**
 * Get a single prompt by ID
 */
export async function getPrompt(promptId: string): Promise<Prompt> {
    return await apiRequest<Prompt>(`/prompt/${promptId}`)
}

/**
 * Get the promoted version of a prompt
 */
export async function getPromotedVersion(promptId: string): Promise<PromptVersion> {
    return await apiRequest<PromptVersion>(`/prompt/${promptId}/promoted-version`)
}