import { sqliteTable, text, integer, real, index } from 'drizzle-orm/sqlite-core'
import type {
  ProviderType, ProjectRequirements, ProjectSettings, ProjectMemory,
  AgentRole, ChapterStatus, VersionStatus, JobType, JobStatus, LoreEntrySource
} from '../../shared/types'

const id = () => text('id').primaryKey()
const createdAt = () => integer('created_at', { mode: 'timestamp_ms' }).notNull().$defaultFn(() => new Date())
const updatedAt = () => integer('updated_at', { mode: 'timestamp_ms' }).notNull().$defaultFn(() => new Date()).$onUpdateFn(() => new Date())

/** API 提供方（OpenAI 兼容 / Anthropic / Google） */
export const providers = sqliteTable('providers', {
  id: id(),
  name: text('name').notNull(),
  type: text('type').$type<ProviderType>().notNull(),
  baseUrl: text('base_url').notNull().default(''),
  apiKeyEnc: text('api_key_enc').notNull().default(''),
  createdAt: createdAt(),
  updatedAt: updatedAt()
})

/** 模型预设：某个提供方下的具体模型 + 采样参数 */
export const models = sqliteTable('models', {
  id: id(),
  providerId: text('provider_id').notNull().references(() => providers.id, { onDelete: 'cascade' }),
  label: text('label').notNull(),
  modelId: text('model_id').notNull(),
  temperature: real('temperature'),
  topP: real('top_p'),
  maxOutputTokens: integer('max_output_tokens'),
  createdAt: createdAt(),
  updatedAt: updatedAt()
})

export const projects = sqliteTable('projects', {
  id: id(),
  title: text('title').notNull(),
  description: text('description').notNull().default(''),
  worldSetting: text('world_setting').notNull().default(''),
  storyOutline: text('story_outline').notNull().default(''),
  requirements: text('requirements', { mode: 'json' }).$type<ProjectRequirements>().notNull(),
  settings: text('settings', { mode: 'json' }).$type<ProjectSettings>().notNull(),
  memory: text('memory', { mode: 'json' }).$type<ProjectMemory>().notNull(),
  userName: text('user_name').notNull().default(''),
  createdAt: createdAt(),
  updatedAt: updatedAt()
})

export const characters = sqliteTable('characters', {
  id: id(),
  projectId: text('project_id').notNull().references(() => projects.id, { onDelete: 'cascade' }),
  name: text('name').notNull(),
  identity: text('identity').notNull().default(''),
  description: text('description').notNull().default(''),
  personality: text('personality').notNull().default(''),
  speechExamples: text('speech_examples').notNull().default(''),
  notes: text('notes').notNull().default(''),
  avatar: text('avatar').notNull().default(''),
  sourceCard: text('source_card', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  sortOrder: integer('sort_order').notNull().default(0),
  createdAt: createdAt(),
  updatedAt: updatedAt()
}, t => [index('characters_project_idx').on(t.projectId)])

/** 世界书条目：常驻条目每次注入，关键词条目在章节简报/大纲命中时注入 */
export const loreEntries = sqliteTable('lore_entries', {
  id: id(),
  projectId: text('project_id').notNull().references(() => projects.id, { onDelete: 'cascade' }),
  title: text('title').notNull().default(''),
  keys: text('keys', { mode: 'json' }).$type<string[]>().notNull(),
  content: text('content').notNull().default(''),
  constant: integer('constant', { mode: 'boolean' }).notNull().default(false),
  enabled: integer('enabled', { mode: 'boolean' }).notNull().default(true),
  source: text('source').$type<LoreEntrySource>().notNull().default('user'),
  sortOrder: integer('sort_order').notNull().default(100),
  createdAt: createdAt(),
  updatedAt: updatedAt()
}, t => [index('lore_project_idx').on(t.projectId)])

/** AI 成员：主编 / 作家 / 摘要员 */
export const agents = sqliteTable('agents', {
  id: id(),
  projectId: text('project_id').notNull().references(() => projects.id, { onDelete: 'cascade' }),
  role: text('role').$type<AgentRole>().notNull(),
  name: text('name').notNull(),
  modelId: text('model_id').references(() => models.id, { onDelete: 'set null' }),
  systemPrompt: text('system_prompt').notNull().default(''),
  styleNotes: text('style_notes').notNull().default(''),
  createdBy: text('created_by').$type<'user' | 'editor'>().notNull().default('user'),
  enabled: integer('enabled', { mode: 'boolean' }).notNull().default(true),
  createdAt: createdAt(),
  updatedAt: updatedAt()
}, t => [index('agents_project_idx').on(t.projectId)])

export const chapters = sqliteTable('chapters', {
  id: id(),
  projectId: text('project_id').notNull().references(() => projects.id, { onDelete: 'cascade' }),
  index: integer('index').notNull(),
  title: text('title').notNull().default(''),
  synopsis: text('synopsis').notNull().default(''),
  brief: text('brief').notNull().default(''),
  writerAgentId: text('writer_agent_id').references(() => agents.id, { onDelete: 'set null' }),
  writerLocked: integer('writer_locked', { mode: 'boolean' }).notNull().default(false),
  editorNotes: text('editor_notes').notNull().default(''),
  reviewNotes: text('review_notes').notNull().default(''),
  status: text('status').$type<ChapterStatus>().notNull().default('planned'),
  activeVersionId: text('active_version_id'),
  summary: text('summary').notNull().default(''),
  createdAt: createdAt(),
  updatedAt: updatedAt()
}, t => [index('chapters_project_idx').on(t.projectId, t.index)])

export const chapterVersions = sqliteTable('chapter_versions', {
  id: id(),
  chapterId: text('chapter_id').notNull().references(() => chapters.id, { onDelete: 'cascade' }),
  version: integer('version').notNull(),
  filePath: text('file_path').notNull(),
  wordCount: integer('word_count').notNull().default(0),
  writerAgentId: text('writer_agent_id'),
  writerName: text('writer_name').notNull().default(''),
  modelLabel: text('model_label').notNull().default(''),
  feedback: text('feedback').notNull().default(''),
  status: text('status').$type<VersionStatus>().notNull().default('writing'),
  createdAt: createdAt()
}, t => [index('versions_chapter_idx').on(t.chapterId)])

export const jobs = sqliteTable('jobs', {
  id: id(),
  projectId: text('project_id').notNull().references(() => projects.id, { onDelete: 'cascade' }),
  chapterId: text('chapter_id'),
  type: text('type').$type<JobType>().notNull(),
  status: text('status').$type<JobStatus>().notNull().default('running'),
  agentName: text('agent_name').notNull().default(''),
  modelLabel: text('model_label').notNull().default(''),
  inputTokens: integer('input_tokens').notNull().default(0),
  outputTokens: integer('output_tokens').notNull().default(0),
  error: text('error').notNull().default(''),
  log: text('log').notNull().default(''),
  prompt: text('prompt', { mode: 'json' }).$type<{ system: string, prompt: string } | null>(),
  createdAt: createdAt(),
  finishedAt: integer('finished_at', { mode: 'timestamp_ms' })
}, t => [index('jobs_project_idx').on(t.projectId, t.createdAt)])