import { createLogger } from '@sim/logger'
import { type NextRequest, NextResponse } from 'next/server'
import {
  confluenceCreatePagePropertyContract,
  confluenceDeletePagePropertyContract,
  confluenceListPagePropertiesContract,
  confluenceUpdatePagePropertyContract,
} from '@/lib/api/contracts/selectors/confluence'
import { parseRequest } from '@/lib/api/server'
import { checkSessionOrInternalAuth } from '@/lib/auth/hybrid'
import { validateAlphanumericId, validateJiraCloudId } from '@/lib/core/security/input-validation'
import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
import { getConfluenceCloudId } from '@/tools/confluence/utils'
import { parseAtlassianErrorMessage } from '@/tools/jira/utils'

const logger = createLogger('ConfluencePagePropertiesAPI')

export const dynamic = 'force-dynamic'

/**
 * List all content properties on a page.
 */
export const GET = withRouteHandler(async (request: NextRequest) => {
  try {
    const auth = await checkSessionOrInternalAuth(request)
    if (!auth.success || !auth.userId) {
      return NextResponse.json({ error: auth.error || 'Unauthorized' }, { status: 401 })
    }

    const parsed = await parseRequest(confluenceListPagePropertiesContract, request, {})
    if (!parsed.success) return parsed.response

    const {
      domain,
      accessToken,
      pageId,
      cloudId: providedCloudId,
      limit,
      cursor,
    } = parsed.data.query

    if (!domain) {
      return NextResponse.json({ error: 'Domain is required' }, { status: 400 })
    }

    if (!accessToken) {
      return NextResponse.json({ error: 'Access token is required' }, { status: 400 })
    }

    if (!pageId) {
      return NextResponse.json({ error: 'Page ID is required' }, { status: 400 })
    }

    const pageIdValidation = validateAlphanumericId(pageId, 'pageId', 255)
    if (!pageIdValidation.isValid) {
      return NextResponse.json({ error: pageIdValidation.error }, { status: 400 })
    }

    const cloudId = providedCloudId || (await getConfluenceCloudId(domain, accessToken))

    const cloudIdValidation = validateJiraCloudId(cloudId, 'cloudId')
    if (!cloudIdValidation.isValid) {
      return NextResponse.json({ error: cloudIdValidation.error }, { status: 400 })
    }

    const queryParams = new URLSearchParams()
    queryParams.append('limit', String(Math.min(Number(limit), 250)))
    if (cursor) {
      queryParams.append('cursor', cursor)
    }
    const url = `https://api.atlassian.com/ex/confluence/${cloudId}/wiki/api/v2/pages/${pageId}/properties?${queryParams.toString()}`

    const response = await fetch(url, {
      method: 'GET',
      headers: {
        Accept: 'application/json',
        Authorization: `Bearer ${accessToken}`,
      },
    })

    if (!response.ok) {
      const errorText = await response.text()
      logger.error('Confluence API error response:', {
        status: response.status,
        statusText: response.statusText,
        error: errorText,
      })
      return NextResponse.json(
        { error: parseAtlassianErrorMessage(response.status, response.statusText, errorText) },
        { status: response.status }
      )
    }

    const data = await response.json()

    const properties = (data.results || []).map((prop: any) => ({
      id: prop.id,
      key: prop.key,
      value: prop.value ?? null,
      version: prop.version ?? null,
    }))

    return NextResponse.json({
      properties,
      pageId,
      nextCursor: data._links?.next
        ? new URL(data._links.next, 'https://placeholder').searchParams.get('cursor')
        : null,
    })
  } catch (error) {
    logger.error('Error listing page properties:', error)
    return NextResponse.json(
      { error: (error as Error).message || 'Internal server error' },
      { status: 500 }
    )
  }
})

/**
 * Create a new content property on a page.
 */
export const POST = withRouteHandler(async (request: NextRequest) => {
  try {
    const auth = await checkSessionOrInternalAuth(request)
    if (!auth.success || !auth.userId) {
      return NextResponse.json({ error: auth.error || 'Unauthorized' }, { status: 401 })
    }

    const parsed = await parseRequest(confluenceCreatePagePropertyContract, request, {})
    if (!parsed.success) return parsed.response

    const { domain, accessToken, cloudId: providedCloudId, pageId, key, value } = parsed.data.body

    const pageIdValidation = validateAlphanumericId(pageId, 'pageId', 255)
    if (!pageIdValidation.isValid) {
      return NextResponse.json({ error: pageIdValidation.error }, { status: 400 })
    }

    const cloudId = providedCloudId || (await getConfluenceCloudId(domain, accessToken))

    const cloudIdValidation = validateJiraCloudId(cloudId, 'cloudId')
    if (!cloudIdValidation.isValid) {
      return NextResponse.json({ error: cloudIdValidation.error }, { status: 400 })
    }

    const url = `https://api.atlassian.com/ex/confluence/${cloudId}/wiki/api/v2/pages/${pageId}/properties`

    const response = await fetch(url, {
      method: 'POST',
      headers: {
        Accept: 'application/json',
        'Content-Type': 'application/json',
        Authorization: `Bearer ${accessToken}`,
      },
      body: JSON.stringify({ key, value }),
    })

    if (!response.ok) {
      const errorText = await response.text()
      logger.error('Confluence API error response:', {
        status: response.status,
        statusText: response.statusText,
        error: errorText,
      })
      return NextResponse.json(
        { error: parseAtlassianErrorMessage(response.status, response.statusText, errorText) },
        { status: response.status }
      )
    }

    const data = await response.json()
    return NextResponse.json({
      id: data.id,
      key: data.key,
      value: data.value,
      version: data.version,
      pageId,
    })
  } catch (error) {
    logger.error('Error creating page property:', error)
    return NextResponse.json(
      { error: (error as Error).message || 'Internal server error' },
      { status: 500 }
    )
  }
})

/**
 * Update a content property on a page.
 */
export const PUT = withRouteHandler(async (request: NextRequest) => {
  try {
    const auth = await checkSessionOrInternalAuth(request)
    if (!auth.success || !auth.userId) {
      return NextResponse.json({ error: auth.error || 'Unauthorized' }, { status: 401 })
    }

    const parsed = await parseRequest(confluenceUpdatePagePropertyContract, request, {})
    if (!parsed.success) return parsed.response

    const {
      domain,
      accessToken,
      cloudId: providedCloudId,
      pageId,
      propertyId,
      key,
      value,
      versionNumber,
    } = parsed.data.body

    const pageIdValidation = validateAlphanumericId(pageId, 'pageId', 255)
    if (!pageIdValidation.isValid) {
      return NextResponse.json({ error: pageIdValidation.error }, { status: 400 })
    }

    const propertyIdValidation = validateAlphanumericId(propertyId, 'propertyId', 255)
    if (!propertyIdValidation.isValid) {
      return NextResponse.json({ error: propertyIdValidation.error }, { status: 400 })
    }

    const cloudId = providedCloudId || (await getConfluenceCloudId(domain, accessToken))

    const cloudIdValidation = validateJiraCloudId(cloudId, 'cloudId')
    if (!cloudIdValidation.isValid) {
      return NextResponse.json({ error: cloudIdValidation.error }, { status: 400 })
    }

    const url = `https://api.atlassian.com/ex/confluence/${cloudId}/wiki/api/v2/pages/${pageId}/properties/${propertyId}`

    let nextVersion = versionNumber
    if (nextVersion === undefined) {
      const lookupResponse = await fetch(url, {
        method: 'GET',
        headers: {
          Accept: 'application/json',
          Authorization: `Bearer ${accessToken}`,
        },
      })
      if (!lookupResponse.ok) {
        const errorText = await lookupResponse.text()
        return NextResponse.json(
          {
            error: parseAtlassianErrorMessage(
              lookupResponse.status,
              lookupResponse.statusText,
              errorText
            ),
          },
          { status: lookupResponse.status }
        )
      }
      const current = await lookupResponse.json()
      const currentNumber = current?.version?.number
      if (typeof currentNumber !== 'number') {
        return NextResponse.json(
          { error: 'Could not determine current property version' },
          { status: 500 }
        )
      }
      nextVersion = currentNumber + 1
    }

    const response = await fetch(url, {
      method: 'PUT',
      headers: {
        Accept: 'application/json',
        'Content-Type': 'application/json',
        Authorization: `Bearer ${accessToken}`,
      },
      body: JSON.stringify({
        key,
        value,
        version: { number: nextVersion },
      }),
    })

    if (!response.ok) {
      const errorText = await response.text()
      logger.error('Confluence API error response:', {
        status: response.status,
        statusText: response.statusText,
        error: errorText,
      })
      return NextResponse.json(
        { error: parseAtlassianErrorMessage(response.status, response.statusText, errorText) },
        { status: response.status }
      )
    }

    const data = await response.json()
    return NextResponse.json({
      id: data.id,
      key: data.key,
      value: data.value,
      version: data.version,
      pageId,
    })
  } catch (error) {
    logger.error('Error updating page property:', error)
    return NextResponse.json(
      { error: (error as Error).message || 'Internal server error' },
      { status: 500 }
    )
  }
})

/**
 * Delete a content property from a page.
 */
export const DELETE = withRouteHandler(async (request: NextRequest) => {
  try {
    const auth = await checkSessionOrInternalAuth(request)
    if (!auth.success || !auth.userId) {
      return NextResponse.json({ error: auth.error || 'Unauthorized' }, { status: 401 })
    }

    const parsed = await parseRequest(confluenceDeletePagePropertyContract, request, {})
    if (!parsed.success) return parsed.response

    const { domain, accessToken, cloudId: providedCloudId, pageId, propertyId } = parsed.data.body

    const pageIdValidation = validateAlphanumericId(pageId, 'pageId', 255)
    if (!pageIdValidation.isValid) {
      return NextResponse.json({ error: pageIdValidation.error }, { status: 400 })
    }

    const propertyIdValidation = validateAlphanumericId(propertyId, 'propertyId', 255)
    if (!propertyIdValidation.isValid) {
      return NextResponse.json({ error: propertyIdValidation.error }, { status: 400 })
    }

    const cloudId = providedCloudId || (await getConfluenceCloudId(domain, accessToken))

    const cloudIdValidation = validateJiraCloudId(cloudId, 'cloudId')
    if (!cloudIdValidation.isValid) {
      return NextResponse.json({ error: cloudIdValidation.error }, { status: 400 })
    }

    const url = `https://api.atlassian.com/ex/confluence/${cloudId}/wiki/api/v2/pages/${pageId}/properties/${propertyId}`

    const response = await fetch(url, {
      method: 'DELETE',
      headers: {
        Accept: 'application/json',
        Authorization: `Bearer ${accessToken}`,
      },
    })

    if (!response.ok) {
      const errorText = await response.text()
      logger.error('Confluence API error response:', {
        status: response.status,
        statusText: response.statusText,
        error: errorText,
      })
      return NextResponse.json(
        { error: parseAtlassianErrorMessage(response.status, response.statusText, errorText) },
        { status: response.status }
      )
    }

    return NextResponse.json({ propertyId, pageId, deleted: true })
  } catch (error) {
    logger.error('Error deleting page property:', error)
    return NextResponse.json(
      { error: (error as Error).message || 'Internal server error' },
      { status: 500 }
    )
  }
})
