package tools

import (
	"encoding/json"

	plugin "git.hangman-lab.top/hzhang/Plexum-sdk-go/plugin"
)

// allContracts is the static manifest list of all agent-facing tools.
// install.sh reads this via a Go-build introspection step? No — we'd
// need a separate emit-manifest binary. For now, install.sh has the
// same JSON inline (keep in sync; trivially small). Future refinement
// could auto-emit.
var allContracts = []plugin.ToolContract{
	{
		Name:        "send",
		Description: "Outbound channel reply — host calls this after an inbound dispatch (agent-side calls usually prefer `fabric-send-message`).",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"channel_name": {"type": "string"},
				"session_id":   {"type": "string"},
				"message":      {"type": "string"}
			},
			"required": ["channel_name", "message"]
		}`),
	},
	{
		Name:        "fabric-send-message",
		Description: "Post a normal message to a Fabric channel as the bound agent. guild_node_id defaults to the agent's first guild when omitted.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"},
				"content":       {"type": "string"}
			},
			"required": ["agent_id", "channel_id", "content"]
		}`),
	},
	{
		Name:        "fabric-send-sys-msg",
		Description: "Post a system-kind message to a channel (not subject to turn engine / wakeup).",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"},
				"content":       {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id", "channel_id", "content"]
		}`),
	},
	{
		Name:        "fabric-channel-list",
		Description: "List channels visible to the agent in a guild (public + member channels).",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id"]
		}`),
	},
	{
		Name:        "fabric-guild-list",
		Description: "List the guilds the agent belongs to (nodes + endpoints).",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id": {"type": "string"}
			},
			"required": ["agent_id"]
		}`),
	},
	{
		Name:        "fabric-message-history",
		Description: "Paginate channel messages by seq. seq_from/seq_to/limit are optional (server caps limit at 200).",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"},
				"seq_from":      {"type": "integer"},
				"seq_to":        {"type": "integer"},
				"limit":         {"type": "integer"}
			},
			"required": ["agent_id", "guild_node_id", "channel_id"]
		}`),
	},
	{
		Name:        "fabric-channel-set-purpose",
		Description: "Update the channel's free-form purpose text.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"},
				"purpose":       {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id", "channel_id", "purpose"]
		}`),
	},
	{
		Name:        "fabric-channel",
		Description: "Fetch metadata + member list for a specific channel.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id", "channel_id"]
		}`),
	},
	{
		Name:        "fabric-canvas",
		Description: "Read or write the channel's pinned canvas doc. op: get|share|update|remove. share/update need title+format+source.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"},
				"op":            {"type": "string", "enum": ["get","share","update","remove"]},
				"title":         {"type": "string"},
				"format":        {"type": "string", "enum": ["md","html","text"]},
				"source":        {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id", "channel_id", "op"]
		}`),
	},
	// ---- channel creation (4 x-types share the same shape) ----
	createChannelContract("create-chat-channel", "Create a chat channel (xType=general)."),
	createChannelContract("create-work-channel", "Create a work channel (xType=work)."),
	createChannelContract("create-report-channel", "Create a report channel (xType=report)."),
	createChannelContract("create-discussion-channel", "Create a discussion channel (xType=discuss)."),
	{
		Name:        "discussion-complete",
		Description: "Post a summary then close the channel — concludes a discussion.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":      {"type": "string"},
				"guild_node_id": {"type": "string"},
				"channel_id":    {"type": "string"},
				"summary":       {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id", "channel_id", "summary"]
		}`),
	},
	{
		Name:        "create-sub-discussion",
		Description: "Spawn a new sub-discussion channel with the calling agent as host + invited guests; remembered in plugin KV so close-sub-discussion can post the callback to the parent channel.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":          {"type": "string"},
				"guild_node_id":     {"type": "string"},
				"name":              {"type": "string"},
				"guest_user_ids":    {"type": "array", "items": {"type": "string"}},
				"host_guide":        {"type": "string"},
				"guest_guide":       {"type": "string"},
				"parent_channel_id":{"type": "string"},
				"greeting":          {"type": "string"},
				"x_type":            {"type": "string", "enum": ["discuss","work","report","general"]}
			},
			"required": ["agent_id", "guild_node_id", "name", "parent_channel_id"]
		}`),
	},
	{
		Name:        "close-sub-discussion",
		Description: "Close a sub-discussion the calling agent originally created; posts a callback message to the parent channel.",
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":       {"type": "string"},
				"sub_channel_id":{"type": "string"},
				"summary":        {"type": "string"}
			},
			"required": ["agent_id", "sub_channel_id"]
		}`),
	},
}

// createChannelContract returns the shared schema for the four
// create-*-channel tool variants.
func createChannelContract(name, description string) plugin.ToolContract {
	return plugin.ToolContract{
		Name: name, Description: description,
		InputSchema: json.RawMessage(`{
			"type": "object",
			"properties": {
				"agent_id":         {"type": "string"},
				"guild_node_id":    {"type": "string"},
				"name":             {"type": "string"},
				"is_public":        {"type": "boolean"},
				"member_user_ids": {"type": "array", "items": {"type": "string"}},
				"listeners":        {"type": "array", "items": {"type": "string"}},
				"on_duty":          {"type": "string"},
				"purpose":          {"type": "string"}
			},
			"required": ["agent_id", "guild_node_id", "name"]
		}`),
	}
}