import { parseColor } from '../color'
import type { SceneNode } from '../scene-graph'

import { defineTool, nodeSummary } from './schema'

import type { FigmaNodeProxy } from '../figma-api'

export const createShape = defineTool({
  name: 'create_shape',
  mutates: true,
  description:
    'Create a shape on the canvas. Use FRAME for containers/cards, RECTANGLE for solid blocks, ELLIPSE for circles, TEXT for labels, SECTION for page sections.',
  params: {
    type: {
      type: 'string',
      description: 'Node type',
      required: true,
      enum: ['FRAME', 'RECTANGLE', 'ELLIPSE', 'TEXT', 'LINE', 'STAR', 'POLYGON', 'SECTION']
    },
    x: { type: 'number', description: 'X position', required: true },
    y: { type: 'number', description: 'Y position', required: true },
    width: { type: 'number', description: 'Width in pixels', required: true, min: 1 },
    height: { type: 'number', description: 'Height in pixels', required: true, min: 1 },
    name: { type: 'string', description: 'Node name shown in layers panel' },
    parent_id: { type: 'string', description: 'Parent node ID to nest inside' }
  },
  execute: (figma, args) => {
    const parentId = args.parent_id
    const parent = parentId ? figma.getNodeById(parentId) : null
    const createMap: Record<string, () => FigmaNodeProxy> = {
      FRAME: () => figma.createFrame(),
      RECTANGLE: () => figma.createRectangle(),
      ELLIPSE: () => figma.createEllipse(),
      TEXT: () => figma.createText(),
      LINE: () => figma.createLine(),
      STAR: () => figma.createStar(),
      POLYGON: () => figma.createPolygon(),
      SECTION: () => figma.createSection()
    }
    const node = createMap[args.type]()
    node.x = args.x
    node.y = args.y
    node.resize(args.width, args.height)
    if (args.name) node.name = args.name
    if (parent) parent.appendChild(node)
    return nodeSummary(node)
  }
})

export const render = defineTool({
  name: 'render',
  mutates: true,
  description:
    'Render JSX to design nodes. Primary creation tool — creates entire component trees in one call. Example: <Frame name="Card" w={320} h="hug" flex="col" gap={16} p={24} bg="#FFF" rounded={16}><Text size={18} weight="bold">Title</Text></Frame>',
  params: {
    jsx: { type: 'string', description: 'JSX string to render', required: true },
    x: { type: 'number', description: 'X position of the root node' },
    y: { type: 'number', description: 'Y position of the root node' },
    parent_id: { type: 'string', description: 'Parent node ID to render into' }
  },
  execute: async (figma, args) => {
    const { renderJSX } = await import('../render/render-jsx.js')
    const result = renderJSX(figma.graph, args.jsx, {
      parentId: args.parent_id ?? figma.currentPageId,
      x: args.x,
      y: args.y
    })
    return { id: result.id, name: result.name, type: result.type, children: result.childIds }
  }
})

export const createComponent = defineTool({
  name: 'create_component',
  mutates: true,
  description: 'Convert a frame/group into a component.',
  params: {
    id: { type: 'string', description: 'Node ID to convert', required: true }
  },
  execute: (figma, { id }) => {
    const node = figma.getNodeById(id)
    if (!node) return { error: `Node "${id}" not found` }
    const comp = figma.createComponentFromNode(node)
    return nodeSummary(comp)
  }
})

export const createInstance = defineTool({
  name: 'create_instance',
  mutates: true,
  description: 'Create an instance of a component.',
  params: {
    component_id: { type: 'string', description: 'Component node ID', required: true },
    x: { type: 'number', description: 'X position' },
    y: { type: 'number', description: 'Y position' }
  },
  execute: (figma, args) => {
    const comp = figma.getNodeById(args.component_id)
    if (!comp) return { error: `Component "${args.component_id}" not found` }
    const instance = comp.createInstance()
    if (args.x !== undefined) instance.x = args.x
    if (args.y !== undefined) instance.y = args.y
    return nodeSummary(instance)
  }
})

export const createPage = defineTool({
  name: 'create_page',
  mutates: true,
  description: 'Create a new page.',
  params: {
    name: { type: 'string', description: 'Page name', required: true }
  },
  execute: (figma, { name }) => {
    const page = figma.createPage()
    page.name = name
    return { id: page.id, name }
  }
})

export const createVector = defineTool({
  name: 'create_vector',
  mutates: true,
  description: 'Create a vector node with optional path data.',
  params: {
    x: { type: 'number', description: 'X position', required: true },
    y: { type: 'number', description: 'Y position', required: true },
    name: { type: 'string', description: 'Node name' },
    path: { type: 'string', description: 'VectorNetwork JSON' },
    fill: { type: 'color', description: 'Fill color (hex)' },
    stroke: { type: 'color', description: 'Stroke color (hex)' },
    stroke_weight: { type: 'number', description: 'Stroke weight' },
    parent_id: { type: 'string', description: 'Parent node ID' }
  },
  execute: (figma, args) => {
    const node = figma.createVector()
    node.x = args.x
    node.y = args.y
    if (args.name) node.name = args.name
    if (args.path) {
      figma.graph.updateNode(node.id, { vectorNetwork: JSON.parse(args.path) as SceneNode['vectorNetwork'] })
    }
    if (args.fill) {
      node.fills = [{ type: 'SOLID', color: parseColor(args.fill), opacity: 1, visible: true }]
    }
    if (args.stroke) {
      node.strokes = [
        {
          color: parseColor(args.stroke),
          weight: args.stroke_weight ?? 1,
          opacity: 1,
          visible: true,
          align: 'CENTER'
        }
      ]
    }
    if (args.parent_id) {
      const parent = figma.getNodeById(args.parent_id)
      if (parent) parent.appendChild(node)
    }
    return nodeSummary(node)
  }
})

export const createSlice = defineTool({
  name: 'create_slice',
  mutates: true,
  description: 'Create a slice (export region) on the canvas.',
  params: {
    x: { type: 'number', description: 'X position', required: true },
    y: { type: 'number', description: 'Y position', required: true },
    width: { type: 'number', description: 'Width', required: true, min: 1 },
    height: { type: 'number', description: 'Height', required: true, min: 1 },
    name: { type: 'string', description: 'Slice name' },
    parent_id: { type: 'string', description: 'Parent node ID' }
  },
  execute: (figma, args) => {
    const node = figma.createFrame()
    node.x = args.x
    node.y = args.y
    node.resize(args.width, args.height)
    node.name = args.name ?? 'Slice'
    node.fills = []
    if (args.parent_id) {
      const parent = figma.getNodeById(args.parent_id)
      if (parent) parent.appendChild(node)
    }
    return nodeSummary(node)
  }
})