export const PRODUCT_OVERVIEW_FILENAME = 'PRODUCT_OVERVIEW.md';
export const LEGACY_PROMOTION_PLAN_FILENAME = 'PROMOTION_PLAN.md';

export type ProjectAgentResponsibility = {
  mission: string;
  owns: string[];
  boundaries: string[];
  collaborators: string[];
  principles: string[];
};

export type ProjectAgentConfig = {
  id: string;
  avatarId: string;
  roleName: string;
  name: string;
  builtIn: boolean;
  enabled: boolean;
  model: string | null;
  skillIds: string[];
  responsibility: ProjectAgentResponsibility;
  prompt: string;
  archivedAt?: string | null;
  pinned?: boolean;
  createdAt?: string;
  updatedAt?: string;
};

export type ProjectConfig = {
  schemaVersion: 1;
  initialized: boolean;
  superpowersEnabled: boolean;
  defaultModel: string | null;
  agents: ProjectAgentConfig[];
  knowledgeDirectory: 'knowledge';
  createdAt: string;
  updatedAt: string;
};

export function createProjectConfig(now = new Date().toISOString()): ProjectConfig {
  return {
    schemaVersion: 1,
    initialized: false,
    superpowersEnabled: false,
    defaultModel: null,
    agents: [],
    knowledgeDirectory: 'knowledge',
    createdAt: now,
    updatedAt: now,
  };
}

export function validateAgentNames(agents: ProjectAgentConfig[]): string[] {
  const errors: string[] = [];
  const names = new Set<string>();
  for (const item of agents) {
    const name = item.name.trim();
    if (!name) errors.push(`${item.id}:name-required`);
    if (name.length > 30) errors.push(`${item.id}:name-too-long`);
    const key = name.toLocaleLowerCase();
    if (key && names.has(key)) errors.push(`${item.id}:name-duplicate`);
    names.add(key);
  }
  return errors;
}

export function validateAgentConfigs(agents: ProjectAgentConfig[]): string[] {
  const errors = validateAgentNames(agents);
  for (const agent of agents) {
    if (!/^avatar-(0[1-9]|1[0-6])$/.test(agent.avatarId)) {
      errors.push(`${agent.id}:avatar-required`);
    }
    if (!agent.model?.trim()) {
      errors.push(`${agent.id}:model-required`);
    }
    if (!agent.responsibility.mission.trim()) {
      errors.push(`${agent.id}:responsibility-required`);
    }
  }
  return errors;
}